{"id":167541,"date":"2026-07-27T13:11:11","date_gmt":"2026-07-27T13:11:11","guid":{"rendered":"https:\/\/pabau.com\/?p=167541"},"modified":"2026-08-17T11:35:59","modified_gmt":"2026-08-17T11:35:59","slug":"cpt-code-00454","status":"publish","type":"post","link":"https:\/\/pabau.com\/es\/procedure-codes\/cpt-code-00454\/","title":{"rendered":"CPT code 00450: Anesthesia for clavicle and scapula procedures"},"content":{"rendered":"\n<script type=\"application\/ld+json\">{\"@context\":\"https:\/\/schema.org\",\"@type\":\"MedicalWebPage\",\"headline\":\"CPT code 00450: Anesthesia for clavicle and scapula procedures\",\"description\":\"CPT code 00450 covers anesthesia for procedures on the clavicle and scapula, not otherwise specified, with 5 base units. Learn modifiers, reimbursement calculation, documentation requirements, and Medicare fee schedule rates.\",\"url\":\"https:\/\/pabau.com\/procedure-codes\/cpt-code-00454\/\",\"audience\":{\"@type\":\"MedicalAudience\",\"audienceType\":\"Clinician\"},\"reviewedBy\":{\"@type\":\"Person\",\"name\":\"Dr Vanja Kitanova\",\"jobTitle\":\"Medical Reviewer\",\"affiliation\":{\"@type\":\"Organization\",\"name\":\"Pabau\"},\"knowsAbout\":[\"Medical Coding\",\"Clinical Documentation\",\"Healthcare Billing\",\"Clinical Safety\"],\"sameAs\":\"https:\/\/pabau.com\/blog\/author\/vanja\/\"},\"datePublished\":\"2026-07-25\",\"dateModified\":\"2026-07-27\"}<\/script>\n\n\n        <div id=\"key_takeaways\">\n            <div class=\"header\">\n                                    <img decoding=\"async\" src=\"https:\/\/pabau.com\/wp-content\/uploads\/2025\/12\/Key-Takeaways-Icon.svg\" alt=\"Key Takeaways\" height=\"42\" width=\"42\">\n                                <h3>Key Takeaways<\/h3>\n            <\/div>\n            <div class=\"list\">\n                                                            <div class=\"item\">\n                            <div>\n                                <svg width=\"20\" height=\"27\" viewBox=\"0 0 20 27\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\">\n                                    <path\n                                        d=\"M18.6223 14.3857C19.1246 13.8975 19.1246 13.1045 18.6223 12.6162L12.1938 6.36621C11.6915 5.87793 10.8759 5.87793 10.3737 6.36621C9.87143 6.85449 9.87143 7.64746 10.3737 8.13574L14.6125 12.2529H2.28571C1.57455 12.2529 1 12.8115 1 13.5029C1 14.1943 1.57455 14.7529 2.28571 14.7529H14.6085L10.3777 18.8701C9.87545 19.3584 9.87545 20.1514 10.3777 20.6396C10.8799 21.1279 11.6955 21.1279 12.1978 20.6396L18.6263 14.3896L18.6223 14.3857Z\"\n                                        fill=\"#3D3D46\" \/>\n                                <\/svg>\n                            <\/div>\n                            <p>CPT code 00450 describes anesthesia for surgical procedures on the clavicle and scapula not otherwise specified, including fracture repairs, AC joint reconstructions, and hardware removal<\/p>\n                        <\/div>\n                                                                                <div class=\"item\">\n                            <div>\n                                <svg width=\"20\" height=\"27\" viewBox=\"0 0 20 27\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\">\n                                    <path\n                                        d=\"M18.6223 14.3857C19.1246 13.8975 19.1246 13.1045 18.6223 12.6162L12.1938 6.36621C11.6915 5.87793 10.8759 5.87793 10.3737 6.36621C9.87143 6.85449 9.87143 7.64746 10.3737 8.13574L14.6125 12.2529H2.28571C1.57455 12.2529 1 12.8115 1 13.5029C1 14.1943 1.57455 14.7529 2.28571 14.7529H14.6085L10.3777 18.8701C9.87545 19.3584 9.87545 20.1514 10.3777 20.6396C10.8799 21.1279 11.6955 21.1279 12.1978 20.6396L18.6263 14.3896L18.6223 14.3857Z\"\n                                        fill=\"#3D3D46\" \/>\n                                <\/svg>\n                            <\/div>\n                            <p>Base unit value is 5; reimbursement is calculated as (Base Units + Time Units) x Conversion Factor per CMS guidelines<\/p>\n                        <\/div>\n                                                                                <div class=\"item\">\n                            <div>\n                                <svg width=\"20\" height=\"27\" viewBox=\"0 0 20 27\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\">\n                                    <path\n                                        d=\"M18.6223 14.3857C19.1246 13.8975 19.1246 13.1045 18.6223 12.6162L12.1938 6.36621C11.6915 5.87793 10.8759 5.87793 10.3737 6.36621C9.87143 6.85449 9.87143 7.64746 10.3737 8.13574L14.6125 12.2529H2.28571C1.57455 12.2529 1 12.8115 1 13.5029C1 14.1943 1.57455 14.7529 2.28571 14.7529H14.6085L10.3777 18.8701C9.87545 19.3584 9.87545 20.1514 10.3777 20.6396C10.8799 21.1279 11.6955 21.1279 12.1978 20.6396L18.6263 14.3896L18.6223 14.3857Z\"\n                                        fill=\"#3D3D46\" \/>\n                                <\/svg>\n                            <\/div>\n                            <p>Six modifiers apply: AA, QZ, QK, AD, QX, and QY, each reflecting a different provider type or supervision arrangement<\/p>\n                        <\/div>\n                                                                                <div class=\"item\">\n                            <div>\n                                <svg width=\"20\" height=\"27\" viewBox=\"0 0 20 27\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\">\n                                    <path\n                                        d=\"M18.6223 14.3857C19.1246 13.8975 19.1246 13.1045 18.6223 12.6162L12.1938 6.36621C11.6915 5.87793 10.8759 5.87793 10.3737 6.36621C9.87143 6.85449 9.87143 7.64746 10.3737 8.13574L14.6125 12.2529H2.28571C1.57455 12.2529 1 12.8115 1 13.5029C1 14.1943 1.57455 14.7529 2.28571 14.7529H14.6085L10.3777 18.8701C9.87545 19.3584 9.87545 20.1514 10.3777 20.6396C10.8799 21.1279 11.6955 21.1279 12.1978 20.6396L18.6263 14.3896L18.6223 14.3857Z\"\n                                        fill=\"#3D3D46\" \/>\n                                <\/svg>\n                            <\/div>\n                            <p>Pabau\u2019s claims management software helps billing teams track, submit, and reconcile anesthesia claims to reduce denials<\/p>\n                        <\/div>\n                                                <\/div>\n        <\/div>\n    \n\n\n<p class=\"wp-block-paragraph\">CPT code 00450 is the anesthesia code for procedures on the clavicle and scapula not otherwise specified, covering fracture repairs, AC joint reconstructions, scapula fixation, and hardware removal. It carries 5 base units and sits within the 00400-00474 range of shoulder-girdle anesthesia codes. This reference covers the code&#8217;s definition, base unit value, reimbursement formula, Medicare fee schedule rates, modifiers, documentation requirements, ICD-10 pairings, and the most common billing mistakes.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Whether you are an anesthesiologist, a Certified Registered Nurse Anesthetist (CRNA), or a billing specialist, getting CPT code 00450 right the first time means fewer payer rejections and a cleaner revenue cycle.<\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe title=\"CPT Coding Pitfalls Every Medical Practice Faces\" width=\"800\" height=\"450\" src=\"https:\/\/www.youtube.com\/embed\/vbvV5okdXKg?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n\n\n\n<h2 id=\"h-cpt-code-00450-definition-and-clinical-description\" class=\"wp-block-heading\">CPT code 00450: Definition and clinical description<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">CPT code 00450 is the <a href=\"https:\/\/www.ama-assn.org\/practice-management\/cpt\/cpt-code-set-overview\" target=\"_blank\" rel=\"nofollow noopener\">American Medical Association (AMA)<\/a> procedure code for anesthesia services provided during surgical procedures on the clavicle and scapula that are not otherwise specified. It sits within the 00400-00474 range of anesthesia codes covering integumentary and musculoskeletal procedures of the shoulder girdle.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The code applies whenever anesthesia is administered for a procedure specifically targeting the clavicle or scapula that doesn&#8217;t have its own dedicated code, regardless of whether the anesthesia technique is general, regional, or monitored anesthesia care (MAC). Patient positioning, surgical complexity, or comorbidities do not change the code; the anatomical procedure site determines selection.<\/p>\n\n\n\n<table style=\"width:100%;border-collapse:separate;border-spacing:0;border-radius:12px;overflow:hidden;font-size:15px;line-height:1.5;margin:1.5em 0 2em;box-shadow:0 2px 12px rgba(0,0,0,0.08)\">\n<thead>\n<tr>\n<th style=\"background:#121D36;color:#fff;padding:14px 16px;text-align:left;font-weight:600;font-size:14px;letter-spacing:0.3px;border-bottom:2px solid #2BADD4\">Field<\/th>\n<th style=\"background:#121D36;color:#fff;padding:14px 16px;text-align:left;font-weight:600;font-size:14px;letter-spacing:0.3px;border-bottom:2px solid #2BADD4\">Value<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr style=\"border-bottom:1px solid #E8ECF0\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">CPT Code<\/td>\n<td style=\"padding:12px 16px;color:#374151\">00450<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0;background:#F9FAFB\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">Code Description<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Anesthesia for procedures on clavicle and scapula, not otherwise specified<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">Code Category<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Anesthesia<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0;background:#F9FAFB\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">Code Range<\/td>\n<td style=\"padding:12px 16px;color:#374151\">00400-00474 (Musculoskeletal \/ Integumentary, Shoulder)<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">Base Units<\/td>\n<td style=\"padding:12px 16px;color:#374151\">5<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0;background:#F9FAFB\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">Billable Status<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Billable<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n\n\n<h2 id=\"h-clinical-procedures-covered\" class=\"wp-block-heading\">Clinical procedures covered<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">CPT code 00450 applies to anesthesia for a range of surgical interventions on the clavicle and scapula. Correctly identifying the procedure site before coding prevents the most common selection error: using a related shoulder code when the surgery specifically involves one of these two bones.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Common procedures where CPT code 00450 is the appropriate anesthesia code include:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Open reduction and internal fixation (ORIF) of clavicle fractures<\/li>\n\n\n\n<li>Clavicle excision or resection (including distal clavicle resection for AC joint arthritis)<\/li>\n\n\n\n<li>Acromioclavicular (AC) joint reconstruction or stabilization<\/li>\n\n\n\n<li>Scapula fracture repair or open fixation<\/li>\n\n\n\n<li>Scapulothoracic fusion or arthrodesis<\/li>\n\n\n\n<li>Removal of hardware previously placed in the clavicle or scapula<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Procedures on the glenohumeral joint (shoulder joint proper), the rotator cuff, or the proximal humerus fall outside this code&#8217;s scope. Those cases belong to different anesthesia codes, covered in the related codes section below. Accurate procedure-site documentation in the operative note is the foundation for correct code selection, and it carries into recovery too.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/cdn.pabau.com\/cdn\/attachments\/pulse\/content-engine\/billing_codes\/cpt-code-00454\/automate-claims-through-healthcode.webp\" alt=\"Automate claims and billing with Pabau\"\/><figcaption class=\"wp-element-caption\"><em>Automate claims and billing with Pabau<\/em><\/figcaption><\/figure>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 id=\"h-cpt-code-00450-base-units-and-the-reimbursement-formula\" class=\"wp-block-heading\">CPT code 00450 base units and the reimbursement formula<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">CPT code 00450 carries a base unit value of 5, as established by the AMA&#8217;s Relative Value Guide for Anesthesiology. Base units reflect the inherent complexity and risk of anesthetizing a patient for a given procedure site, independent of time.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Medicare and most commercial payers calculate anesthesia reimbursement using a standard formula. Understanding how time units feed into that formula is critical for accurate billing.<\/p>\n\n\n\n<table style=\"width:100%;border-collapse:separate;border-spacing:0;border-radius:12px;overflow:hidden;font-size:15px;line-height:1.5;margin:1.5em 0 2em;box-shadow:0 2px 12px rgba(0,0,0,0.08)\">\n<thead>\n<tr>\n<th style=\"background:#121D36;color:#fff;padding:14px 16px;text-align:left;font-weight:600;font-size:14px;letter-spacing:0.3px;border-bottom:2px solid #2BADD4\">Component<\/th>\n<th style=\"background:#121D36;color:#fff;padding:14px 16px;text-align:left;font-weight:600;font-size:14px;letter-spacing:0.3px;border-bottom:2px solid #2BADD4\">Description<\/th>\n<th style=\"background:#121D36;color:#fff;padding:14px 16px;text-align:left;font-weight:600;font-size:14px;letter-spacing:0.3px;border-bottom:2px solid #2BADD4\">Value for 00450<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr style=\"border-bottom:1px solid #E8ECF0\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">Base Units (B)<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Procedure complexity assigned by AMA<\/td>\n<td style=\"padding:12px 16px;color:#374151\">5<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0;background:#F9FAFB\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">Time Units (T)<\/td>\n<td style=\"padding:12px 16px;color:#374151\">1 unit per 15 minutes of anesthesia time<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Variable (e.g., 4 units for 60 min)<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">Conversion Factor (CF)<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Dollar value per unit; geographically adjusted by CMS<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Varies by locality<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0;background:#F9FAFB\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">Formula<\/td>\n<td style=\"padding:12px 16px;color:#374151\">(B + T) x CF = Reimbursement<\/td>\n<td style=\"padding:12px 16px;color:#374151\">E.g., (5 + 4) x $21.00 = $189.00<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Worked example:<\/strong> A 60-minute clavicle ORIF generates 4 time units (60 min \/ 15 = 4). Adding the 5 base units gives 9 total units. At a hypothetical conversion factor of $21.00, the claim value is $189.00. Actual conversion factors vary by Medicare locality and are updated annually by the <a href=\"https:\/\/www.cms.gov\/medicare\/physician-fee-schedule\/search\/overview\" target=\"_blank\" rel=\"nofollow noopener\">CMS Physician Fee Schedule<\/a>. Always verify the current rate for your MAC jurisdiction before finalizing claims.<\/p>\n\n\n\n<h2 id=\"h-medicare-fee-schedule-and-payer-rates-for-cpt-code-00450\" class=\"wp-block-heading\">Medicare fee schedule and payer rates for CPT code 00450<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Medicare reimbursement for CPT code 00450 is governed by the annual Physician Fee Schedule published by the Centers for Medicare and Medicaid Services (CMS). Rates are not uniform nationally; they reflect geographic practice cost adjustments applied through Medicare Administrative Contractor (MAC) locality multipliers.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Private payer rates differ significantly from Medicare and are set through individual payer contracts. Some payers follow the Medicare structure (base units x conversion factor x time), while others use a flat-rate or percentage-of-billed-charges approach. Verify your contract terms for each payer. Use the <a href=\"https:\/\/fastrvu.com\/tools\/rvu-lookup\" target=\"_blank\" rel=\"nofollow noopener\">FastRVU 2026 RVU lookup<\/a> to check current relative value unit data for anesthesia codes.<\/p>\n\n\n        <div id=\"pro_tip\">\n            <div class=\"img\">\n                <svg width=\"42\" height=\"42\" viewBox=\"0 0 42 42\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\">\n                    <path fill-rule=\"evenodd\" clip-rule=\"evenodd\"\n                        d=\"M12.6383 19.5238C12.6632 21.2071 12.8734 22.9926 12.0685 24.5523C11.0341 26.8917 8.45076 28.169 7.56292 30.5918C6.63082 33.1061 7.19505 36.185 9.31371 37.9786C10.929 39.5678 13.4183 39.9873 15.6061 39.5463C17.4592 39.073 19.1049 37.8388 19.9706 36.1608C20.781 34.7141 20.7866 32.9904 20.5293 31.3985C20.1006 29.3092 18.3775 27.8705 16.9807 26.362C14.8814 24.1005 14.6684 20.6854 15.595 17.8915C16.4331 15.4768 19.0026 14.2344 20.0425 11.9461C20.7202 10.6769 20.7506 9.20327 20.6068 7.81304C20.1864 5.40098 18.3139 3.23631 15.8716 2.56674C13.9742 2.03969 11.8224 2.30052 10.1739 3.37614C8.70522 4.34688 7.5878 5.86618 7.28356 7.58178C6.76081 9.82981 7.53525 12.2822 9.20307 13.9118C10.7658 15.4741 12.4806 17.2273 12.6383 19.5238Z\"\n                        fill=\"#2BADD4\" \/>\n                    <path fill-rule=\"evenodd\" clip-rule=\"evenodd\"\n                        d=\"M22.7048 19.8387C22.6822 22.3279 24.4507 24.6234 26.7493 25.4682C28.0531 25.961 29.4725 25.9183 30.7989 25.5487C32.0575 24.9955 33.301 24.2237 34.0069 23.0092C34.8384 21.5811 35.2982 19.8286 34.7832 18.2094C34.3611 16.2507 32.8739 14.6541 31.0275 13.9426C28.6736 12.9595 25.8073 13.7942 24.1719 15.7001C23.2022 16.8366 22.6143 18.3326 22.7048 19.8387Z\"\n                        fill=\"#2BADD4\" \/>\n                <\/svg>\n            <\/div>\n            <div class=\"text\">\n                <h3>Pro Tip<\/h3>\n                <p>Anesthesia conversion factors are updated in the CMS Physician Fee Schedule Final Rule, published each November for the following year. Flag your calendar for the November release and verify your MAC locality\u2019s updated conversion factor before processing January claims.<\/p>\n            <\/div>\n        <\/div>\n    \n\n\n<h2 id=\"h-modifiers-for-cpt-code-00450\" class=\"wp-block-heading\">Modifiers for CPT code 00450<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Modifier selection is the highest-stakes element of billing CPT code 00450. The wrong modifier changes the reimbursement percentage, can trigger a payer audit, and in some cases results in complete claim rejection. Six modifiers apply to this code, each reflecting a distinct provider-type and supervision arrangement.<\/p>\n\n\n\n<table style=\"width:100%;border-collapse:separate;border-spacing:0;border-radius:12px;overflow:hidden;font-size:15px;line-height:1.5;margin:1.5em 0 2em;box-shadow:0 2px 12px rgba(0,0,0,0.08)\">\n<thead>\n<tr>\n<th style=\"background:#121D36;color:#fff;padding:14px 16px;text-align:left;font-weight:600;font-size:14px;letter-spacing:0.3px;border-bottom:2px solid #2BADD4\">Modifier<\/th>\n<th style=\"background:#121D36;color:#fff;padding:14px 16px;text-align:left;font-weight:600;font-size:14px;letter-spacing:0.3px;border-bottom:2px solid #2BADD4\">Provider Type<\/th>\n<th style=\"background:#121D36;color:#fff;padding:14px 16px;text-align:left;font-weight:600;font-size:14px;letter-spacing:0.3px;border-bottom:2px solid #2BADD4\">Description<\/th>\n<th style=\"background:#121D36;color:#fff;padding:14px 16px;text-align:left;font-weight:600;font-size:14px;letter-spacing:0.3px;border-bottom:2px solid #2BADD4\">Reimbursement Impact<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr style=\"border-bottom:1px solid #E8ECF0\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">AA<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Physician anesthesiologist<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Personally performed by MD\/DO anesthesiologist<\/td>\n<td style=\"padding:12px 16px;color:#374151\">100% of allowed amount<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0;background:#F9FAFB\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">QZ<\/td>\n<td style=\"padding:12px 16px;color:#374151\">CRNA (unsupervised)<\/td>\n<td style=\"padding:12px 16px;color:#374151\">CRNA without medical direction; applies in opt-out states<\/td>\n<td style=\"padding:12px 16px;color:#374151\">100% of allowed amount<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">QK<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Physician anesthesiologist (supervising)<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Medical direction of 2-4 concurrent CRNA procedures<\/td>\n<td style=\"padding:12px 16px;color:#374151\">50% of allowed amount<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0;background:#F9FAFB\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">AD<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Physician anesthesiologist (supervising)<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Medical supervision of more than 4 concurrent procedures<\/td>\n<td style=\"padding:12px 16px;color:#374151\">5 base units only<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">QX<\/td>\n<td style=\"padding:12px 16px;color:#374151\">CRNA (with medical direction)<\/td>\n<td style=\"padding:12px 16px;color:#374151\">CRNA under physician medical direction (pair with QK)<\/td>\n<td style=\"padding:12px 16px;color:#374151\">50% of allowed amount<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0;background:#F9FAFB\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">QY<\/td>\n<td style=\"padding:12px 16px;color:#374151\">CRNA (with single MD oversight)<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Medical direction of one CRNA by one anesthesiologist<\/td>\n<td style=\"padding:12px 16px;color:#374151\">50% of allowed amount<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n\n\n<h3 id=\"h-crna-billing-under-cpt-code-00450\" class=\"wp-block-heading\">CRNA billing under CPT code 00450<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">CRNA modifier selection depends on two factors: whether the state has opted out of the Medicare physician supervision requirement, and whether a physician anesthesiologist is directing the case. In opt-out states, CRNAs bill with QZ and receive 100% of the allowed amount. In non-opt-out states, CRNAs working under physician direction bill with QX, while the directing physician bills the same procedure with QK. Both claims pay at 50%, totaling 100% of the allowed amount when split correctly.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Supervision opt-out status is state-specific and subject to change. Verify your state&#8217;s current Medicare opt-out status before applying QZ. Misapplying QZ in a non-opt-out state without an opt-out declaration on file is a compliance risk under healthcare billing compliance frameworks and OIG audit guidelines. For practices managing CRNA credentialing and billing records.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/cdn.pabau.com\/cdn\/attachments\/pulse\/content-engine\/billing_codes\/cpt-code-00454\/digital-forms.webp\" alt=\"Digital forms\"\/><figcaption class=\"wp-element-caption\"><em>Digital forms<\/em><\/figcaption><\/figure>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 id=\"h-documentation-requirements-for-cpt-code-00450\" class=\"wp-block-heading\">Documentation requirements for CPT code 00450<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Missing or incomplete documentation is the leading cause of post-payment audits for anesthesia claims. CMS requires a complete anesthesia record for every billable case. Four core documents must be present in the patient record to support a 00450 claim.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Pre-anesthesia evaluation:<\/strong> Completed before the procedure begins. Must document ASA physical status classification, relevant medical history, airway assessment, and the plan for anesthesia. This establishes medical necessity and justifies the anesthesia approach.<\/li>\n\n\n\n<li><strong>Intraoperative anesthesia record:<\/strong> Continuous time-stamped record of anesthesia start and stop times, vital signs, agents administered, and any intraoperative events. Start and stop times directly support time unit calculation on the claim.<\/li>\n\n\n\n<li><strong>Post-anesthesia care note:<\/strong> Documents patient status on transfer from the operating room to PACU, including responsiveness, vital signs, and any immediate post-procedural concerns.<\/li>\n\n\n\n<li><strong>Medical necessity documentation:<\/strong> For MAC cases, the record must include specific documentation of why MAC was medically necessary rather than a lesser level of monitoring. CMS Local Coverage Determinations govern covered diagnoses for MAC under codes in the 00400-00474 range.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Practices that route anesthesia documentation through structured medical forms at their healthcare practice reduce the likelihood of missing fields at audit. Consistent use of HIPAA-compliant paperless workflows also creates an auditable digital trail for every claim. The <a href=\"https:\/\/www.aapc.com\/codes\/cpt-codes-range\/\" target=\"_blank\" rel=\"nofollow noopener\">AAPC Codify CPT lookup<\/a> provides additional coding guidance and payer policy references for anesthesia documentation standards.<\/p>\n\n\n\n<h2 id=\"h-icd-10-codes-used-with-cpt-code-00450\" class=\"wp-block-heading\">ICD-10 codes used with CPT code 00450<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Every anesthesia claim requires a supporting ICD-10-CM diagnosis code to establish medical necessity. The diagnosis code must accurately reflect the condition requiring surgery on the clavicle or scapula. The table below lists common ICD-10 pairings; the appropriate code depends on the patient&#8217;s specific diagnosis, not simply the surgical site. Treat these as illustrative examples, since payer coverage criteria vary.<\/p>\n\n\n\n<table style=\"width:100%;border-collapse:separate;border-spacing:0;border-radius:12px;overflow:hidden;font-size:15px;line-height:1.5;margin:1.5em 0 2em;box-shadow:0 2px 12px rgba(0,0,0,0.08)\">\n<thead>\n<tr>\n<th style=\"background:#121D36;color:#fff;padding:14px 16px;text-align:left;font-weight:600;font-size:14px;letter-spacing:0.3px;border-bottom:2px solid #2BADD4\">ICD-10-CM Code<\/th>\n<th style=\"background:#121D36;color:#fff;padding:14px 16px;text-align:left;font-weight:600;font-size:14px;letter-spacing:0.3px;border-bottom:2px solid #2BADD4\">Description<\/th>\n<th style=\"background:#121D36;color:#fff;padding:14px 16px;text-align:left;font-weight:600;font-size:14px;letter-spacing:0.3px;border-bottom:2px solid #2BADD4\">Common Surgical Context<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr style=\"border-bottom:1px solid #E8ECF0\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">S42.001A<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Fracture of clavicle, unspecified, initial encounter<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Clavicle ORIF<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0;background:#F9FAFB\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">S42.001S<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Fracture of clavicle, unspecified, sequela<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Hardware removal post-ORIF<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">M75.50<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Bursitis of unspecified shoulder<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Distal clavicle resection for AC arthritis<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0;background:#F9FAFB\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">S43.101A<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Unspecified dislocation of right acromioclavicular joint, initial encounter<\/td>\n<td style=\"padding:12px 16px;color:#374151\">AC joint reconstruction<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">S42.101A<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Fracture of body of scapula, unspecified shoulder, initial encounter<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Scapula open fixation<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n\n\n<p class=\"wp-block-paragraph\">ICD-10 code selection should always reflect the documented diagnosis, not the procedure performed. The same coding discipline applies to other anesthesia codes. For the current official code descriptions, refer to the <a href=\"https:\/\/icd10cmtool.cdc.gov\/\" target=\"_blank\" rel=\"nofollow noopener\">CDC\/NCHS ICD-10-CM web tool<\/a>.<\/p>\n\n\n\n<h2 id=\"h-related-cpt-codes-00454-and-00474\" class=\"wp-block-heading\">Related CPT codes: 00454 and 00474<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">CPT code 00450 sits near two codes that are easy to confuse it with on a claim. Both cover different procedures despite the numeric proximity, and mixing them up creates audit exposure. The table below distinguishes them.<\/p>\n\n\n\n<table style=\"width:100%;border-collapse:separate;border-spacing:0;border-radius:12px;overflow:hidden;font-size:15px;line-height:1.5;margin:1.5em 0 2em;box-shadow:0 2px 12px rgba(0,0,0,0.08)\">\n<thead>\n<tr>\n<th style=\"background:#121D36;color:#fff;padding:14px 16px;text-align:left;font-weight:600;font-size:14px;letter-spacing:0.3px;border-bottom:2px solid #2BADD4\">CPT Code<\/th>\n<th style=\"background:#121D36;color:#fff;padding:14px 16px;text-align:left;font-weight:600;font-size:14px;letter-spacing:0.3px;border-bottom:2px solid #2BADD4\">Description<\/th>\n<th style=\"background:#121D36;color:#fff;padding:14px 16px;text-align:left;font-weight:600;font-size:14px;letter-spacing:0.3px;border-bottom:2px solid #2BADD4\">Base Units<\/th>\n<th style=\"background:#121D36;color:#fff;padding:14px 16px;text-align:left;font-weight:600;font-size:14px;letter-spacing:0.3px;border-bottom:2px solid #2BADD4\">Use When<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr style=\"border-bottom:1px solid #E8ECF0\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">00454<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Anesthesia for biopsy of clavicle<\/td>\n<td style=\"padding:12px 16px;color:#374151\">3<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Diagnostic biopsy of the clavicle only, not a surgical repair, reconstruction, or hardware removal<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0;background:#F9FAFB\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">00474<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Anesthesia for partial rib resection; radical (e.g., pectus excavatum)<\/td>\n<td style=\"padding:12px 16px;color:#374151\">13<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Radical rib resection procedures; not used for clavicle, scapula, or shoulder joint surgery<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n\n\n<p class=\"wp-block-paragraph\">00454 is reserved for a clavicle biopsy alone, a diagnostic procedure with a lower base unit value than the surgical repairs covered by 00450. 00474 covers radical rib resection and has no direct relationship to clavicle, scapula, or shoulder anesthesia despite sitting in the same code block. Billing 00454 for a clavicle ORIF is undercoding, and billing 00450 for a diagnostic biopsy is upcoding. Confirm the procedure documented in the operative note before selecting between these codes. For broader CPT coding context.<\/p>\n\n\n\n<h2 id=\"h-common-billing-errors-and-how-to-avoid-them\" class=\"wp-block-heading\">Common billing errors and how to avoid them<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Three billing errors account for the majority of denied or audited CPT code 00450 claims. The same documentation gaps that undermine medical decision making claims show up here too, and each is preventable with the right workflow controls.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Wrong modifier based on supervision status:<\/strong> Using modifier AA when the anesthesiologist was medically directing a CRNA (requires QK + QX split billing) is the most frequent modifier error. Review supervision arrangements before the claim leaves the billing queue.<\/li>\n\n\n\n<li><strong>Missing or imprecise time documentation:<\/strong> Time units are calculated from the anesthesia record&#8217;s start and stop times. Vague entries like \u00abapproximately 60 minutes\u00bb do not satisfy Medicare documentation standards. The record must show the exact clock time anesthesia induction began and the exact time the provider&#8217;s presence ended.<\/li>\n\n\n\n<li><strong>Procedure-site mismatch between the operative note and the claim:<\/strong> The CPT code on the claim must match the anatomical site documented in the operative note. If the operative report describes a glenohumeral joint repair but 00450 is billed, payers will deny or request additional records. Coders should read the operative note, not the surgical booking description, when assigning the anesthesia code.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Additional errors include failing to append an ICD-10 code that supports medical necessity, billing MAC without documentation of why MAC was specifically required, and omitting the post-anesthesia care note from the chart. Practices managing multi-provider anesthesia teams benefit from reviewing the billing workflow patterns used across multi-specialty CPT documentation and checking EHR integration options that connect anesthesia records directly to the billing module.<\/p>\n\n\n\n<h2 id=\"h-how-claims-management-software-reduces-errors-for-cpt-code-00450\" class=\"wp-block-heading\">How claims management software reduces errors for CPT code 00450<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Manual anesthesia billing creates gaps at exactly the points where CPT code 00450 claims fail most often: modifier assignment, documentation completeness, and claim submission accuracy. Purpose-built claims management software helps close some of these gaps before a claim reaches the payer.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Pabau&#8217;s <a href=\"https:\/\/pabau.com\/features\/claims-management-software\/\" target=\"_blank\" rel=\"noopener\">claims management software<\/a> helps billing teams submit, track, and reconcile insurance claims in one place, rather than juggling separate spreadsheets or payer portals. Practices can see where a claim sits in the process and catch missing information before it turns into a denial, then reconcile payments once they come back from the payer. Learn more about how medical office HIPAA compliance applies to anesthesia documentation workflows and electronic records.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Related CPT codes<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/pabau.com\/procedure-codes\/cpt-code-00400\/\">CPT code 00400 \u2014 Anesthesia for integumentary system procedures<\/a><\/li>\n\n\n<li><a href=\"https:\/\/pabau.com\/procedure-codes\/cpt-code-00472\/\">CPT Code 00472 \u2014 Anesthesia for partial rib resection and thoracoplasty<\/a><\/li>\n\n\n<li><a href=\"https:\/\/pabau.com\/procedure-codes\/cpt-code-00474\/\">CPT code 00474 \u2014 Anesthesia for radical partial rib resection<\/a><\/li>\n\n\n<li><a href=\"https:\/\/pabau.com\/procedure-codes\/cpt-code-00500\/\">CPT Code 00500 \u2014 Anesthesia for esophageal procedures<\/a><\/li>\n<\/ul>\n\n\n        <div id=\"book_a_demo\">\n            <div class=\"left-side\">\n                <div class=\"logo\">\n                    <img decoding=\"async\"\n                        src=\"https:\/\/pabau.com\/wp-content\/uploads\/2026\/01\/Logo.svg\"\n                        alt=\"Logo\"\n                        loading=\"lazy\"\n                    \/>\n                <\/div>\n\n                <h3 class=\"heading\">\n                    Simplify anesthesia claims with Pabau                <\/h3>\n\n                <p class=\"description\">\n                    Pabau\u2019s claims management tools help your billing team track claim status, catch missing information before submission, and reconcile payments so CPT code 00450 claims move through the payer process with fewer delays.                <\/p>\n\n                <div class=\"button-group\">\n                    <a href=\"\/book-demo\/\" class=\"btn btn-scale-effect btn-cta-color btn-md\">\n                        <span class=\"btn-text\">Book a demo<\/span>\n                        <div class=\"btn-icon btn-icon-right\" aria-hidden=\"true\">\n                            <svg\n                                width=\"14\"\n                                height=\"12\"\n                                viewBox=\"0 0 14 12\"\n                                fill=\"none\"\n                                xmlns=\"http:\/\/www.w3.org\/2000\/svg\"\n                            >\n                                <path\n                                    d=\"M0.75 4.77295C0.335786 4.77295 0 5.10874 0 5.52295C0 5.93716 0.335786 6.27295 0.75 6.27295V5.52295V4.77295ZM13.2803 6.05328C13.5732 5.76039 13.5732 5.28551 13.2803 4.99262L8.50736 0.219648C8.21447 -0.073245 7.73959 -0.073245 7.4467 0.219648C7.15381 0.512542 7.15381 0.987415 7.4467 1.28031L11.6893 5.52295L7.4467 9.76559C7.15381 10.0585 7.15381 10.5334 7.4467 10.8263C7.73959 11.1191 8.21447 11.1191 8.50736 10.8263L13.2803 6.05328ZM0.75 5.52295V6.27295L12.75 6.27295V5.52295V4.77295L0.75 4.77295V5.52295Z\"\n                                    fill=\"currentColor\"\n                                ><\/path>\n                            <\/svg>\n                        <\/div>\n                    <\/a>\n                <\/div>\n            <\/div>\n\n            <div class=\"right-side\">\n                <img decoding=\"async\"\n                    src=\"https:\/\/pabau.com\/wp-content\/uploads\/2026\/01\/Home-Page-Concept-4.webp\"\n                    alt=\"Pabau claims management dashboard for practice billing teams\"\n                    loading=\"lazy\"\n                \/>\n            <\/div>\n        <\/div>\n        \n\n\n<h2 id=\"h-conclusion\" class=\"wp-block-heading\">Conclusion<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">CPT code 00450 is a straightforward code with a narrow failure window: 5 base units, six possible modifiers, and strict documentation requirements that directly determine whether a claim pays or gets denied. The most preventable errors are modifier mismatches driven by supervision status and time documentation that does not meet Medicare&#8217;s specificity standards.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Practices that build documentation and modifier-selection checks into their billing workflow catch these errors before submission rather than after denial. Pabau&#8217;s claims management software supports that workflow by helping your billing team track, submit, and reconcile claims accurately. To see how it works in practice, <a href=\"https:\/\/pabau.com\/book-demo\/\">book a demo<\/a> with the Pabau team.<\/p>\n\n\n        <div id=\"expert_picks\">\n            <div class=\"header\">\n                                    <img decoding=\"async\" src=\"https:\/\/pabau.com\/wp-content\/uploads\/2025\/11\/Expert-Picks.svg\" alt=\"Continue your research\" height=\"42\" width=\"42\">\n                                <h3>Continue your research<\/h3>\n            <\/div>\n            <div class=\"content\">\n                                                            <div class=\"item\">\n                            <div>\n                                <svg width=\"20\" height=\"27\" viewBox=\"0 0 20 27\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\">\n                                    <path\n                                        d=\"M18.6223 14.3857C19.1246 13.8975 19.1246 13.1045 18.6223 12.6162L12.1938 6.36621C11.6915 5.87793 10.8759 5.87793 10.3737 6.36621C9.87143 6.85449 9.87143 7.64746 10.3737 8.13574L14.6125 12.2529H2.28571C1.57455 12.2529 1 12.8115 1 13.5029C1 14.1943 1.57455 14.7529 2.28571 14.7529H14.6085L10.3777 18.8701C9.87545 19.3584 9.87545 20.1514 10.3777 20.6396C10.8799 21.1279 11.6955 21.1279 12.1978 20.6396L18.6263 14.3896L18.6223 14.3857Z\"\n                                        fill=\"#54B2D3\" \/>\n                                <\/svg>\n                            <\/div>\n                            <p><strong>Need to understand how CPT codes are structured across specialties?<\/strong> <a href=\"https:\/\/pabau.com\/procedure-codes\/coaching-cpt-codes\/\" target=\"_blank\" rel=\"noopener\">Coaching CPT codes<\/a> walks through CPT selection principles and billing workflows applicable across multiple specialty types.<\/p>\n                        <\/div>\n                                                                                <div class=\"item\">\n                            <div>\n                                <svg width=\"20\" height=\"27\" viewBox=\"0 0 20 27\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\">\n                                    <path\n                                        d=\"M18.6223 14.3857C19.1246 13.8975 19.1246 13.1045 18.6223 12.6162L12.1938 6.36621C11.6915 5.87793 10.8759 5.87793 10.3737 6.36621C9.87143 6.85449 9.87143 7.64746 10.3737 8.13574L14.6125 12.2529H2.28571C1.57455 12.2529 1 12.8115 1 13.5029C1 14.1943 1.57455 14.7529 2.28571 14.7529H14.6085L10.3777 18.8701C9.87545 19.3584 9.87545 20.1514 10.3777 20.6396C10.8799 21.1279 11.6955 21.1279 12.1978 20.6396L18.6263 14.3896L18.6223 14.3857Z\"\n                                        fill=\"#54B2D3\" \/>\n                                <\/svg>\n                            <\/div>\n                            <p><strong>Managing multi-specialty billing across your practice?<\/strong> <a href=\"https:\/\/pabau.com\/blog\/ehr-integration\/\" target=\"_blank\" rel=\"noopener\">EHR integration for medical practices<\/a> covers how connected billing and records systems reduce claim errors and manual rework.<\/p>\n                        <\/div>\n                                                                                <div class=\"item\">\n                            <div>\n                                <svg width=\"20\" height=\"27\" viewBox=\"0 0 20 27\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\">\n                                    <path\n                                        d=\"M18.6223 14.3857C19.1246 13.8975 19.1246 13.1045 18.6223 12.6162L12.1938 6.36621C11.6915 5.87793 10.8759 5.87793 10.3737 6.36621C9.87143 6.85449 9.87143 7.64746 10.3737 8.13574L14.6125 12.2529H2.28571C1.57455 12.2529 1 12.8115 1 13.5029C1 14.1943 1.57455 14.7529 2.28571 14.7529H14.6085L10.3777 18.8701C9.87545 19.3584 9.87545 20.1514 10.3777 20.6396C10.8799 21.1279 11.6955 21.1279 12.1978 20.6396L18.6263 14.3896L18.6223 14.3857Z\"\n                                        fill=\"#54B2D3\" \/>\n                                <\/svg>\n                            <\/div>\n                            <p><strong>Need a structured documentation framework for surgical procedures?<\/strong> <a href=\"https:\/\/pabau.com\/blog\/medical-forms-at-your-healthcare-practice\/\" target=\"_blank\" rel=\"noopener\">Medical forms at your healthcare practice<\/a> explains how structured digital forms support audit-ready anesthesia records.<\/p>\n                        <\/div>\n                                                <\/div>\n        <\/div>\n    \n\n\n<h2 id=\"h-frequently-asked-questions\" class=\"wp-block-heading\">Frequently asked questions<\/h2>\n\n\n\n<div class=\"schema-faq wp-block-yoast-faq-block\"><div class=\"schema-faq-section\" id=\"faq-question-1785151457235\"><h3 class=\"schema-faq-question\">What is CPT code 00450?<\/h3> <p class=\"schema-faq-answer\">CPT code 00450 is the AMA procedure code for anesthesia services provided during surgical procedures on the clavicle and scapula, not otherwise specified, including clavicle fracture repairs, AC joint reconstructions, and scapula open fixations. It carries a base unit value of 5 and sits within the 00400-00474 musculoskeletal anesthesia code range.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1785151457236\"><h3 class=\"schema-faq-question\">How many base units does CPT code 00450 have?<\/h3> <p class=\"schema-faq-answer\">CPT code 00450 has 5 base units, as assigned by the AMA Relative Value Guide for Anesthesiology. Base unit values are subject to annual review and should be verified against the current AMA RVU table.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1785151457237\"><h3 class=\"schema-faq-question\">What modifiers apply to CPT code 00450?<\/h3> <p class=\"schema-faq-answer\">Six modifiers apply: AA (physician personally performs), QZ (CRNA without supervision in opt-out states), QK (physician directing 2-4 concurrent cases), AD (physician supervising more than 4 cases), QX (CRNA under physician direction), and QY (physician directing one CRNA). Modifier selection depends on provider type and supervision arrangement, not procedure complexity.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1785151457238\"><h3 class=\"schema-faq-question\">Can CPT code 00450 be billed with monitored anesthesia care?<\/h3> <p class=\"schema-faq-answer\">Yes, CPT code 00450 can be billed when monitored anesthesia care (MAC) is used for clavicle or scapula procedures, provided the record includes documentation of medical necessity specific to MAC. CMS Local Coverage Determinations govern covered diagnoses for MAC billing under this code range.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1785151457239\"><h3 class=\"schema-faq-question\">What is the difference between CPT codes 00450 and 00454?<\/h3> <p class=\"schema-faq-answer\">CPT code 00450 covers anesthesia for clavicle and scapula procedures not otherwise specified, carrying 5 base units. CPT code 00454 is a narrower code for anesthesia during a biopsy of the clavicle only, carrying 3 base units. The two are not interchangeable: 00450 applies to surgical repairs, reconstructions, and hardware removal, while 00454 applies strictly to diagnostic biopsy procedures.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1785151457240\"><h3 class=\"schema-faq-question\">What ICD-10 codes are commonly paired with CPT code 00450?<\/h3> <p class=\"schema-faq-answer\">Common ICD-10 pairings include S42.001A (clavicle fracture, initial encounter), S43.101A (acromioclavicular joint dislocation), S42.101A (scapula body fracture), and M75.50 (shoulder bursitis requiring distal clavicle resection). The correct diagnosis code must reflect the documented clinical indication, not simply the surgical site.<\/p> <\/div> <\/div>\n","protected":false},"excerpt":{"rendered":"<p>CPT code 00450 is the anesthesia code for procedures on the clavicle and scapula not otherwise specified, covering fracture repairs, AC joint reconstructions, scapula fixation, and hardware removal. It carries 5 base units and sits within the 00400-00474 range of shoulder-girdle anesthesia codes. This reference covers the code&#8217;s definition, base unit value, reimbursement formula, Medicare [&hellip;]<\/p>\n","protected":false},"author":77,"featured_media":167540,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_yoast_wpseo_linkdex":"87","_yoast_wpseo_content_score":"60","_yoast_wpseo_is_cornerstone":"","_yoast_wpseo_keywordsynonyms":"[\"\",\"\",\"\",\"\",\"\",\"\"]","_yoast_wpseo_focuskw_text_input":"","_seo_original_html":"","footnotes":""},"categories":[1433,1546],"tags":[4303,4162,2508,2773,1666],"class_list":["post-167541","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-billing-codes","category-cpt-codes","tag-00450-cpt-code","tag-anesthesia-billing","tag-medical-coding","tag-orif","tag-orthopedic-billing"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v28.2 (Yoast SEO v28.2) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>CPT code 00450: Anesthesia for clavicle and scapula procedures<\/title>\n<meta name=\"description\" content=\"CPT code 00450 covers anesthesia for clavicle and scapula procedures, not otherwise specified, with 5 base units and six modifiers.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/pabau.com\/es\/procedure-codes\/cpt-code-00454\/\" \/>\n<meta property=\"og:locale\" content=\"es_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"CPT code 00450: Anesthesia for clavicle and scapula procedures\" \/>\n<meta property=\"og:description\" content=\"CPT code 00450 covers anesthesia for clavicle and scapula procedures, not otherwise specified, with 5 base units and six modifiers.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/pabau.com\/es\/procedure-codes\/cpt-code-00454\/\" \/>\n<meta property=\"og:site_name\" content=\"Pabau\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/Pabau\/\" \/>\n<meta property=\"article:published_time\" content=\"2026-07-27T13:11:11+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-08-17T11:35:59+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/pabau.com\/wp-content\/uploads\/2026\/07\/cpt-code-00454.webp\" \/>\n\t<meta property=\"og:image:width\" content=\"1200\" \/>\n\t<meta property=\"og:image:height\" content=\"630\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/webp\" \/>\n<meta name=\"author\" content=\"Katy Piper\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@pabaucrm\" \/>\n<meta name=\"twitter:site\" content=\"@pabaucrm\" \/>\n<meta name=\"twitter:label1\" content=\"Escrito por\" \/>\n\t<meta name=\"twitter:data1\" content=\"Katy Piper\" \/>\n\t<meta name=\"twitter:label2\" content=\"Tiempo de lectura\" \/>\n\t<meta name=\"twitter:data2\" content=\"12 minutos\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/pabau.com\\\/es\\\/procedure-codes\\\/cpt-code-00454\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/pabau.com\\\/es\\\/procedure-codes\\\/cpt-code-00454\\\/\"},\"author\":{\"name\":\"Katy Piper\",\"@id\":\"https:\\\/\\\/pabau.com\\\/es\\\/#\\\/schema\\\/person\\\/5de22f4ff3ec59b1925ef02dce956d7d\"},\"headline\":\"CPT code 00450: Anesthesia for clavicle and scapula procedures\",\"datePublished\":\"2026-07-27T13:11:11+00:00\",\"dateModified\":\"2026-08-17T11:35:59+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/pabau.com\\\/es\\\/procedure-codes\\\/cpt-code-00454\\\/\"},\"wordCount\":2357,\"publisher\":{\"@id\":\"https:\\\/\\\/pabau.com\\\/es\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/pabau.com\\\/es\\\/procedure-codes\\\/cpt-code-00454\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/pabau.com\\\/wp-content\\\/uploads\\\/2026\\\/07\\\/cpt-code-00454.webp\",\"keywords\":[\"00450 CPT code\",\"Anesthesia Billing\",\"Medical Coding\",\"ORIF\",\"Orthopedic Billing\"],\"articleSection\":[\"Billing Codes\",\"CPT Codes\"],\"inLanguage\":\"es\"},{\"@type\":[\"WebPage\",\"FAQPage\"],\"@id\":\"https:\\\/\\\/pabau.com\\\/es\\\/procedure-codes\\\/cpt-code-00454\\\/\",\"url\":\"https:\\\/\\\/pabau.com\\\/es\\\/procedure-codes\\\/cpt-code-00454\\\/\",\"name\":\"CPT code 00450: Anesthesia for clavicle and scapula procedures\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/pabau.com\\\/es\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/pabau.com\\\/es\\\/procedure-codes\\\/cpt-code-00454\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/pabau.com\\\/es\\\/procedure-codes\\\/cpt-code-00454\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/pabau.com\\\/wp-content\\\/uploads\\\/2026\\\/07\\\/cpt-code-00454.webp\",\"datePublished\":\"2026-07-27T13:11:11+00:00\",\"dateModified\":\"2026-08-17T11:35:59+00:00\",\"description\":\"CPT code 00450 covers anesthesia for clavicle and scapula procedures, not otherwise specified, with 5 base units and six modifiers.\",\"mainEntity\":[{\"@id\":\"https:\\\/\\\/pabau.com\\\/es\\\/procedure-codes\\\/cpt-code-00454\\\/#faq-question-1785151457235\"},{\"@id\":\"https:\\\/\\\/pabau.com\\\/es\\\/procedure-codes\\\/cpt-code-00454\\\/#faq-question-1785151457236\"},{\"@id\":\"https:\\\/\\\/pabau.com\\\/es\\\/procedure-codes\\\/cpt-code-00454\\\/#faq-question-1785151457237\"},{\"@id\":\"https:\\\/\\\/pabau.com\\\/es\\\/procedure-codes\\\/cpt-code-00454\\\/#faq-question-1785151457238\"},{\"@id\":\"https:\\\/\\\/pabau.com\\\/es\\\/procedure-codes\\\/cpt-code-00454\\\/#faq-question-1785151457239\"},{\"@id\":\"https:\\\/\\\/pabau.com\\\/es\\\/procedure-codes\\\/cpt-code-00454\\\/#faq-question-1785151457240\"}],\"inLanguage\":\"es\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/pabau.com\\\/es\\\/procedure-codes\\\/cpt-code-00454\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"es\",\"@id\":\"https:\\\/\\\/pabau.com\\\/es\\\/procedure-codes\\\/cpt-code-00454\\\/#primaryimage\",\"url\":\"https:\\\/\\\/pabau.com\\\/wp-content\\\/uploads\\\/2026\\\/07\\\/cpt-code-00454.webp\",\"contentUrl\":\"https:\\\/\\\/pabau.com\\\/wp-content\\\/uploads\\\/2026\\\/07\\\/cpt-code-00454.webp\",\"width\":1200,\"height\":630},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/pabau.com\\\/es\\\/#website\",\"url\":\"https:\\\/\\\/pabau.com\\\/es\\\/\",\"name\":\"Pabau\",\"description\":\"Clinic Software for your Business | Go Paperless Today\",\"publisher\":{\"@id\":\"https:\\\/\\\/pabau.com\\\/es\\\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/pabau.com\\\/es\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"es\"},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/pabau.com\\\/es\\\/#organization\",\"name\":\"Pabau\",\"url\":\"https:\\\/\\\/pabau.com\\\/es\\\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"es\",\"@id\":\"https:\\\/\\\/pabau.com\\\/es\\\/#\\\/schema\\\/logo\\\/image\\\/\",\"url\":\"https:\\\/\\\/pabau.com\\\/wp-content\\\/uploads\\\/2022\\\/05\\\/Logo-4-e1654525062364.png\",\"contentUrl\":\"https:\\\/\\\/pabau.com\\\/wp-content\\\/uploads\\\/2022\\\/05\\\/Logo-4-e1654525062364.png\",\"width\":736,\"height\":195,\"caption\":\"Pabau\"},\"image\":{\"@id\":\"https:\\\/\\\/pabau.com\\\/es\\\/#\\\/schema\\\/logo\\\/image\\\/\"},\"sameAs\":[\"https:\\\/\\\/www.facebook.com\\\/Pabau\\\/\",\"https:\\\/\\\/x.com\\\/pabaucrm\",\"https:\\\/\\\/www.linkedin.com\\\/company\\\/pabau-ltd\\\/\",\"https:\\\/\\\/www.instagram.com\\\/pabausoftware\\\/\"],\"description\":\"Pabau is an all-in-one healthcare practice management software platform designed for clinics, medspas, therapists, and medical professionals. It combines scheduling, electronic health records, clinical forms, payments, marketing automation, reporting, and patient engagement tools into one secure cloud system to help practices streamline operations and grow their business.\",\"foundingDate\":\"2011-10-20\",\"numberOfEmployees\":{\"@type\":\"QuantitativeValue\",\"minValue\":\"201\",\"maxValue\":\"500\"}},{\"@type\":\"Person\",\"@id\":\"https:\\\/\\\/pabau.com\\\/es\\\/#\\\/schema\\\/person\\\/5de22f4ff3ec59b1925ef02dce956d7d\",\"name\":\"Katy Piper\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"es\",\"@id\":\"https:\\\/\\\/pabau.com\\\/wp-content\\\/uploads\\\/2026\\\/03\\\/cropped-Snip20260306_177-96x96.png\",\"url\":\"https:\\\/\\\/pabau.com\\\/wp-content\\\/uploads\\\/2026\\\/03\\\/cropped-Snip20260306_177-96x96.png\",\"contentUrl\":\"https:\\\/\\\/pabau.com\\\/wp-content\\\/uploads\\\/2026\\\/03\\\/cropped-Snip20260306_177-96x96.png\",\"caption\":\"Katy Piper\"},\"description\":\"Katy Piper is a content writer covering aesthetics, dermatology, and clinic operations, with a knack for making clinical detail feel approachable. Outside of work, she's usually chasing her border collie around muddy fields or hunting down the best flat white in town.\",\"url\":\"https:\\\/\\\/pabau.com\\\/es\\\/blog\\\/author\\\/katy-piper\\\/\"},{\"@type\":\"Question\",\"@id\":\"https:\\\/\\\/pabau.com\\\/es\\\/procedure-codes\\\/cpt-code-00454\\\/#faq-question-1785151457235\",\"position\":1,\"url\":\"https:\\\/\\\/pabau.com\\\/es\\\/procedure-codes\\\/cpt-code-00454\\\/#faq-question-1785151457235\",\"name\":\"What is CPT code 00450?\",\"answerCount\":1,\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"CPT code 00450 is the AMA procedure code for anesthesia services provided during surgical procedures on the clavicle and scapula, not otherwise specified, including clavicle fracture repairs, AC joint reconstructions, and scapula open fixations. It carries a base unit value of 5 and sits within the 00400-00474 musculoskeletal anesthesia code range.\",\"inLanguage\":\"es\"},\"inLanguage\":\"es\"},{\"@type\":\"Question\",\"@id\":\"https:\\\/\\\/pabau.com\\\/es\\\/procedure-codes\\\/cpt-code-00454\\\/#faq-question-1785151457236\",\"position\":2,\"url\":\"https:\\\/\\\/pabau.com\\\/es\\\/procedure-codes\\\/cpt-code-00454\\\/#faq-question-1785151457236\",\"name\":\"How many base units does CPT code 00450 have?\",\"answerCount\":1,\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"CPT code 00450 has 5 base units, as assigned by the AMA Relative Value Guide for Anesthesiology. Base unit values are subject to annual review and should be verified against the current AMA RVU table.\",\"inLanguage\":\"es\"},\"inLanguage\":\"es\"},{\"@type\":\"Question\",\"@id\":\"https:\\\/\\\/pabau.com\\\/es\\\/procedure-codes\\\/cpt-code-00454\\\/#faq-question-1785151457237\",\"position\":3,\"url\":\"https:\\\/\\\/pabau.com\\\/es\\\/procedure-codes\\\/cpt-code-00454\\\/#faq-question-1785151457237\",\"name\":\"What modifiers apply to CPT code 00450?\",\"answerCount\":1,\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Six modifiers apply: AA (physician personally performs), QZ (CRNA without supervision in opt-out states), QK (physician directing 2-4 concurrent cases), AD (physician supervising more than 4 cases), QX (CRNA under physician direction), and QY (physician directing one CRNA). Modifier selection depends on provider type and supervision arrangement, not procedure complexity.\",\"inLanguage\":\"es\"},\"inLanguage\":\"es\"},{\"@type\":\"Question\",\"@id\":\"https:\\\/\\\/pabau.com\\\/es\\\/procedure-codes\\\/cpt-code-00454\\\/#faq-question-1785151457238\",\"position\":4,\"url\":\"https:\\\/\\\/pabau.com\\\/es\\\/procedure-codes\\\/cpt-code-00454\\\/#faq-question-1785151457238\",\"name\":\"Can CPT code 00450 be billed with monitored anesthesia care?\",\"answerCount\":1,\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes, CPT code 00450 can be billed when monitored anesthesia care (MAC) is used for clavicle or scapula procedures, provided the record includes documentation of medical necessity specific to MAC. CMS Local Coverage Determinations govern covered diagnoses for MAC billing under this code range.\",\"inLanguage\":\"es\"},\"inLanguage\":\"es\"},{\"@type\":\"Question\",\"@id\":\"https:\\\/\\\/pabau.com\\\/es\\\/procedure-codes\\\/cpt-code-00454\\\/#faq-question-1785151457239\",\"position\":5,\"url\":\"https:\\\/\\\/pabau.com\\\/es\\\/procedure-codes\\\/cpt-code-00454\\\/#faq-question-1785151457239\",\"name\":\"What is the difference between CPT codes 00450 and 00454?\",\"answerCount\":1,\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"CPT code 00450 covers anesthesia for clavicle and scapula procedures not otherwise specified, carrying 5 base units. CPT code 00454 is a narrower code for anesthesia during a biopsy of the clavicle only, carrying 3 base units. The two are not interchangeable: 00450 applies to surgical repairs, reconstructions, and hardware removal, while 00454 applies strictly to diagnostic biopsy procedures.\",\"inLanguage\":\"es\"},\"inLanguage\":\"es\"},{\"@type\":\"Question\",\"@id\":\"https:\\\/\\\/pabau.com\\\/es\\\/procedure-codes\\\/cpt-code-00454\\\/#faq-question-1785151457240\",\"position\":6,\"url\":\"https:\\\/\\\/pabau.com\\\/es\\\/procedure-codes\\\/cpt-code-00454\\\/#faq-question-1785151457240\",\"name\":\"What ICD-10 codes are commonly paired with CPT code 00450?\",\"answerCount\":1,\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Common ICD-10 pairings include S42.001A (clavicle fracture, initial encounter), S43.101A (acromioclavicular joint dislocation), S42.101A (scapula body fracture), and M75.50 (shoulder bursitis requiring distal clavicle resection). The correct diagnosis code must reflect the documented clinical indication, not simply the surgical site.\",\"inLanguage\":\"es\"},\"inLanguage\":\"es\"}]}<\/script>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"CPT code 00450: Anesthesia for clavicle and scapula procedures","description":"CPT code 00450 covers anesthesia for clavicle and scapula procedures, not otherwise specified, with 5 base units and six modifiers.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/pabau.com\/es\/procedure-codes\/cpt-code-00454\/","og_locale":"es_ES","og_type":"article","og_title":"CPT code 00450: Anesthesia for clavicle and scapula procedures","og_description":"CPT code 00450 covers anesthesia for clavicle and scapula procedures, not otherwise specified, with 5 base units and six modifiers.","og_url":"https:\/\/pabau.com\/es\/procedure-codes\/cpt-code-00454\/","og_site_name":"Pabau","article_publisher":"https:\/\/www.facebook.com\/Pabau\/","article_published_time":"2026-07-27T13:11:11+00:00","article_modified_time":"2026-08-17T11:35:59+00:00","og_image":[{"width":1200,"height":630,"url":"https:\/\/pabau.com\/wp-content\/uploads\/2026\/07\/cpt-code-00454.webp","type":"image\/webp"}],"author":"Katy Piper","twitter_card":"summary_large_image","twitter_creator":"@pabaucrm","twitter_site":"@pabaucrm","twitter_misc":{"Escrito por":"Katy Piper","Tiempo de lectura":"12 minutos"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/pabau.com\/es\/procedure-codes\/cpt-code-00454\/#article","isPartOf":{"@id":"https:\/\/pabau.com\/es\/procedure-codes\/cpt-code-00454\/"},"author":{"name":"Katy Piper","@id":"https:\/\/pabau.com\/es\/#\/schema\/person\/5de22f4ff3ec59b1925ef02dce956d7d"},"headline":"CPT code 00450: Anesthesia for clavicle and scapula procedures","datePublished":"2026-07-27T13:11:11+00:00","dateModified":"2026-08-17T11:35:59+00:00","mainEntityOfPage":{"@id":"https:\/\/pabau.com\/es\/procedure-codes\/cpt-code-00454\/"},"wordCount":2357,"publisher":{"@id":"https:\/\/pabau.com\/es\/#organization"},"image":{"@id":"https:\/\/pabau.com\/es\/procedure-codes\/cpt-code-00454\/#primaryimage"},"thumbnailUrl":"https:\/\/pabau.com\/wp-content\/uploads\/2026\/07\/cpt-code-00454.webp","keywords":["00450 CPT code","Anesthesia Billing","Medical Coding","ORIF","Orthopedic Billing"],"articleSection":["Billing Codes","CPT Codes"],"inLanguage":"es"},{"@type":["WebPage","FAQPage"],"@id":"https:\/\/pabau.com\/es\/procedure-codes\/cpt-code-00454\/","url":"https:\/\/pabau.com\/es\/procedure-codes\/cpt-code-00454\/","name":"CPT code 00450: Anesthesia for clavicle and scapula procedures","isPartOf":{"@id":"https:\/\/pabau.com\/es\/#website"},"primaryImageOfPage":{"@id":"https:\/\/pabau.com\/es\/procedure-codes\/cpt-code-00454\/#primaryimage"},"image":{"@id":"https:\/\/pabau.com\/es\/procedure-codes\/cpt-code-00454\/#primaryimage"},"thumbnailUrl":"https:\/\/pabau.com\/wp-content\/uploads\/2026\/07\/cpt-code-00454.webp","datePublished":"2026-07-27T13:11:11+00:00","dateModified":"2026-08-17T11:35:59+00:00","description":"CPT code 00450 covers anesthesia for clavicle and scapula procedures, not otherwise specified, with 5 base units and six modifiers.","mainEntity":[{"@id":"https:\/\/pabau.com\/es\/procedure-codes\/cpt-code-00454\/#faq-question-1785151457235"},{"@id":"https:\/\/pabau.com\/es\/procedure-codes\/cpt-code-00454\/#faq-question-1785151457236"},{"@id":"https:\/\/pabau.com\/es\/procedure-codes\/cpt-code-00454\/#faq-question-1785151457237"},{"@id":"https:\/\/pabau.com\/es\/procedure-codes\/cpt-code-00454\/#faq-question-1785151457238"},{"@id":"https:\/\/pabau.com\/es\/procedure-codes\/cpt-code-00454\/#faq-question-1785151457239"},{"@id":"https:\/\/pabau.com\/es\/procedure-codes\/cpt-code-00454\/#faq-question-1785151457240"}],"inLanguage":"es","potentialAction":[{"@type":"ReadAction","target":["https:\/\/pabau.com\/es\/procedure-codes\/cpt-code-00454\/"]}]},{"@type":"ImageObject","inLanguage":"es","@id":"https:\/\/pabau.com\/es\/procedure-codes\/cpt-code-00454\/#primaryimage","url":"https:\/\/pabau.com\/wp-content\/uploads\/2026\/07\/cpt-code-00454.webp","contentUrl":"https:\/\/pabau.com\/wp-content\/uploads\/2026\/07\/cpt-code-00454.webp","width":1200,"height":630},{"@type":"WebSite","@id":"https:\/\/pabau.com\/es\/#website","url":"https:\/\/pabau.com\/es\/","name":"Pabau","description":"Clinic Software for your Business | Go Paperless Today","publisher":{"@id":"https:\/\/pabau.com\/es\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/pabau.com\/es\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"es"},{"@type":"Organization","@id":"https:\/\/pabau.com\/es\/#organization","name":"Pabau","url":"https:\/\/pabau.com\/es\/","logo":{"@type":"ImageObject","inLanguage":"es","@id":"https:\/\/pabau.com\/es\/#\/schema\/logo\/image\/","url":"https:\/\/pabau.com\/wp-content\/uploads\/2022\/05\/Logo-4-e1654525062364.png","contentUrl":"https:\/\/pabau.com\/wp-content\/uploads\/2022\/05\/Logo-4-e1654525062364.png","width":736,"height":195,"caption":"Pabau"},"image":{"@id":"https:\/\/pabau.com\/es\/#\/schema\/logo\/image\/"},"sameAs":["https:\/\/www.facebook.com\/Pabau\/","https:\/\/x.com\/pabaucrm","https:\/\/www.linkedin.com\/company\/pabau-ltd\/","https:\/\/www.instagram.com\/pabausoftware\/"],"description":"Pabau is an all-in-one healthcare practice management software platform designed for clinics, medspas, therapists, and medical professionals. It combines scheduling, electronic health records, clinical forms, payments, marketing automation, reporting, and patient engagement tools into one secure cloud system to help practices streamline operations and grow their business.","foundingDate":"2011-10-20","numberOfEmployees":{"@type":"QuantitativeValue","minValue":"201","maxValue":"500"}},{"@type":"Person","@id":"https:\/\/pabau.com\/es\/#\/schema\/person\/5de22f4ff3ec59b1925ef02dce956d7d","name":"Katy Piper","image":{"@type":"ImageObject","inLanguage":"es","@id":"https:\/\/pabau.com\/wp-content\/uploads\/2026\/03\/cropped-Snip20260306_177-96x96.png","url":"https:\/\/pabau.com\/wp-content\/uploads\/2026\/03\/cropped-Snip20260306_177-96x96.png","contentUrl":"https:\/\/pabau.com\/wp-content\/uploads\/2026\/03\/cropped-Snip20260306_177-96x96.png","caption":"Katy Piper"},"description":"Katy Piper is a content writer covering aesthetics, dermatology, and clinic operations, with a knack for making clinical detail feel approachable. Outside of work, she's usually chasing her border collie around muddy fields or hunting down the best flat white in town.","url":"https:\/\/pabau.com\/es\/blog\/author\/katy-piper\/"},{"@type":"Question","@id":"https:\/\/pabau.com\/es\/procedure-codes\/cpt-code-00454\/#faq-question-1785151457235","position":1,"url":"https:\/\/pabau.com\/es\/procedure-codes\/cpt-code-00454\/#faq-question-1785151457235","name":"What is CPT code 00450?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"CPT code 00450 is the AMA procedure code for anesthesia services provided during surgical procedures on the clavicle and scapula, not otherwise specified, including clavicle fracture repairs, AC joint reconstructions, and scapula open fixations. It carries a base unit value of 5 and sits within the 00400-00474 musculoskeletal anesthesia code range.","inLanguage":"es"},"inLanguage":"es"},{"@type":"Question","@id":"https:\/\/pabau.com\/es\/procedure-codes\/cpt-code-00454\/#faq-question-1785151457236","position":2,"url":"https:\/\/pabau.com\/es\/procedure-codes\/cpt-code-00454\/#faq-question-1785151457236","name":"How many base units does CPT code 00450 have?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"CPT code 00450 has 5 base units, as assigned by the AMA Relative Value Guide for Anesthesiology. Base unit values are subject to annual review and should be verified against the current AMA RVU table.","inLanguage":"es"},"inLanguage":"es"},{"@type":"Question","@id":"https:\/\/pabau.com\/es\/procedure-codes\/cpt-code-00454\/#faq-question-1785151457237","position":3,"url":"https:\/\/pabau.com\/es\/procedure-codes\/cpt-code-00454\/#faq-question-1785151457237","name":"What modifiers apply to CPT code 00450?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"Six modifiers apply: AA (physician personally performs), QZ (CRNA without supervision in opt-out states), QK (physician directing 2-4 concurrent cases), AD (physician supervising more than 4 cases), QX (CRNA under physician direction), and QY (physician directing one CRNA). Modifier selection depends on provider type and supervision arrangement, not procedure complexity.","inLanguage":"es"},"inLanguage":"es"},{"@type":"Question","@id":"https:\/\/pabau.com\/es\/procedure-codes\/cpt-code-00454\/#faq-question-1785151457238","position":4,"url":"https:\/\/pabau.com\/es\/procedure-codes\/cpt-code-00454\/#faq-question-1785151457238","name":"Can CPT code 00450 be billed with monitored anesthesia care?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"Yes, CPT code 00450 can be billed when monitored anesthesia care (MAC) is used for clavicle or scapula procedures, provided the record includes documentation of medical necessity specific to MAC. CMS Local Coverage Determinations govern covered diagnoses for MAC billing under this code range.","inLanguage":"es"},"inLanguage":"es"},{"@type":"Question","@id":"https:\/\/pabau.com\/es\/procedure-codes\/cpt-code-00454\/#faq-question-1785151457239","position":5,"url":"https:\/\/pabau.com\/es\/procedure-codes\/cpt-code-00454\/#faq-question-1785151457239","name":"What is the difference between CPT codes 00450 and 00454?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"CPT code 00450 covers anesthesia for clavicle and scapula procedures not otherwise specified, carrying 5 base units. CPT code 00454 is a narrower code for anesthesia during a biopsy of the clavicle only, carrying 3 base units. The two are not interchangeable: 00450 applies to surgical repairs, reconstructions, and hardware removal, while 00454 applies strictly to diagnostic biopsy procedures.","inLanguage":"es"},"inLanguage":"es"},{"@type":"Question","@id":"https:\/\/pabau.com\/es\/procedure-codes\/cpt-code-00454\/#faq-question-1785151457240","position":6,"url":"https:\/\/pabau.com\/es\/procedure-codes\/cpt-code-00454\/#faq-question-1785151457240","name":"What ICD-10 codes are commonly paired with CPT code 00450?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"Common ICD-10 pairings include S42.001A (clavicle fracture, initial encounter), S43.101A (acromioclavicular joint dislocation), S42.101A (scapula body fracture), and M75.50 (shoulder bursitis requiring distal clavicle resection). The correct diagnosis code must reflect the documented clinical indication, not simply the surgical site.","inLanguage":"es"},"inLanguage":"es"}]}},"yoast":{"focus_keyword":"CPT code 00450","seo_title":"CPT code 00450: Anesthesia for clavicle and scapula procedures","meta_description":"CPT code 00450 covers anesthesia for clavicle and scapula procedures, not otherwise specified, with 5 base units and six modifiers.","content_score":"60","is_cornerstone":"","related_keyphrases":[{"keyword":"anesthesia base units calculation","score":61},{"keyword":"anesthesia documentation requirements","score":67},{"keyword":"Medicare anesthesia fee schedule","score":67},{"keyword":"monitored anesthesia care billing","score":61},{"keyword":"CRNA billing modifiers","score":61}]},"_links":{"self":[{"href":"https:\/\/pabau.com\/es\/wp-json\/wp\/v2\/posts\/167541","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pabau.com\/es\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/pabau.com\/es\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/pabau.com\/es\/wp-json\/wp\/v2\/users\/77"}],"replies":[{"embeddable":true,"href":"https:\/\/pabau.com\/es\/wp-json\/wp\/v2\/comments?post=167541"}],"version-history":[{"count":4,"href":"https:\/\/pabau.com\/es\/wp-json\/wp\/v2\/posts\/167541\/revisions"}],"predecessor-version":[{"id":181489,"href":"https:\/\/pabau.com\/es\/wp-json\/wp\/v2\/posts\/167541\/revisions\/181489"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/pabau.com\/es\/wp-json\/wp\/v2\/media\/167540"}],"wp:attachment":[{"href":"https:\/\/pabau.com\/es\/wp-json\/wp\/v2\/media?parent=167541"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/pabau.com\/es\/wp-json\/wp\/v2\/categories?post=167541"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/pabau.com\/es\/wp-json\/wp\/v2\/tags?post=167541"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}