{"id":163584,"date":"2026-07-24T11:16:05","date_gmt":"2026-07-24T11:16:05","guid":{"rendered":"https:\/\/pabau.com\/?p=163584"},"modified":"2026-08-17T11:45:20","modified_gmt":"2026-08-17T11:45:20","slug":"cpt-code-00212","status":"publish","type":"post","link":"https:\/\/pabau.com\/fr\/procedure-codes\/cpt-code-00212\/","title":{"rendered":"CPT code 00212: Anesthesia for intracranial procedures, subdural taps"},"content":{"rendered":"\n<script type=\"application\/ld+json\">{\"@context\":\"https:\/\/schema.org\",\"@type\":\"MedicalWebPage\",\"headline\":\"CPT code 00212: Anesthesia for intracranial procedures, subdural taps\",\"description\":\"Complete reference for CPT code 00212 (anesthesia for intracranial procedures, subdural taps): base units, 2026 Medicare fee schedule, modifiers, ICD-10 crosswalk, and billing compliance tips.\",\"url\":\"https:\/\/pabau.com\/procedure-codes\/cpt-code-00212\/\",\"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\":\"2026-07-28\",\"dateModified\":\"2026-07-24\"}<\/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 00212 covers anesthesia for intracranial procedures specifically involving subdural taps.<\/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>The code carries 5 base units per the ASA Relative Value Guide, and reimbursement uses the (B + T) x CF formula.<\/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>Provider-type modifiers (AA, QZ, QX, QY, QK, AD) and qualifying circumstance codes (99100, 99116, 99135, 99140) frequently accompany 00212 claims.<\/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&rsquo;s claims management software helps anesthesia billing teams track modifier combinations and reduce claim errors.<\/p>\n                        <\/div>\n                                                <\/div>\n        <\/div>\n    \n\n\n<p class=\"wp-block-paragraph\">CPT code 00212 is the anesthesia code for intracranial procedures involving subdural taps, carrying 5 base units under the ASA Relative Value Guide. This reference covers the 2026 Medicare fee schedule, modifier selection, qualifying circumstances, the ICD-10 crosswalk, and the documentation anesthesiologists and CRNAs need to bill 00212 accurately.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The anesthesia section of the CPT code set runs from 00100 to 01999. Within it, codes 00210 through 00218 cover intracranial procedures specifically. CPT code 00212 is the designated code for subdural tap procedures, a distinct clinical scenario from craniotomy or vascular neurosurgery. Getting the code right at the procedure level is the foundation everything else builds on.<\/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-00212-definition-descriptor-and-clinical-scope\" class=\"wp-block-heading\">CPT code 00212: Definition, descriptor, and clinical scope<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">CPT code 00212 describes anesthesia for intracranial procedures involving subdural taps. The official descriptor is: <strong>Anesthesia for intracranial procedures; subdural taps.<\/strong> It is a Level I CPT anesthesia code maintained by 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>, which publishes and updates the CPT code set annually.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A subdural tap involves accessing the subdural space, typically to drain a hematoma, relieve pressure, or obtain a specimen. These are neurosurgical procedures requiring general or monitored anesthesia care depending on patient condition and surgeon preference. CPT code 00212 is the appropriate anesthesia code whenever the operative procedure is specifically a subdural tap, not a full craniotomy or craniectomy.<\/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\">Details<\/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\">00212<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0;background:#F9FAFB\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">Official Descriptor<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Anesthesia for intracranial procedures; subdural taps<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">Code Type<\/td>\n<td style=\"padding:12px 16px;color:#374151\">CPT Level I (Category I)<\/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 Family<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Anesthesia: Head (00210-00218)<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">Base Units (ASA RVG)<\/td>\n<td style=\"padding:12px 16px;color:#374151\">5 (verify against current ASA Relative Value Guide)<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0;background:#F9FAFB\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">Global Period<\/td>\n<td style=\"padding:12px 16px;color:#374151\">XXX (the global surgery concept does not apply to anesthesia codes)<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">Procedure Type<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Neurosurgical \/ intracranial<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n\n\n<p class=\"wp-block-paragraph\">Accurate documentation of the specific procedure performed is essential. If the operative report describes a craniotomy rather than a subdural tap, a different code in the 00210-00218 range applies.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Billing 00212 for a procedure not documented as a subdural tap is a common audit trigger. Maintain structured patient records that link the anesthesia code to the surgeon&rsquo;s operative note to support medical necessity.<\/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-00212\/comprehensive-patient-records.webp\" alt=\"Comprehensive patient records\"\/><figcaption class=\"wp-element-caption\"><em>Comprehensive patient records<\/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-base-units-and-the-anesthesia-billing-formula-for-cpt-code-00212\" class=\"wp-block-heading\">Base units and the anesthesia billing formula for CPT code 00212<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Anesthesia billing does not use a flat fee per procedure. It uses a formula that combines base units, time units, and a conversion factor. Understanding this formula is non-negotiable for accurate reimbursement of CPT code 00212.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The standard Medicare anesthesia billing formula, as documented by the <a href=\"https:\/\/www.cms.gov\/medicare\/physician-fee-schedule\/search\/overview\" target=\"_blank\" rel=\"nofollow noopener\">Centers for Medicare and Medicaid Services (CMS)<\/a>, is:<\/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\">Definition<\/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 00212<\/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\">B (Base Units)<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Complexity of the anesthesia service, set by the ASA Relative Value Guide<\/td>\n<td style=\"padding:12px 16px;color:#374151\">5 (per ASA RVG; verify current edition)<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0;background:#F9FAFB\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">T (Time Units)<\/td>\n<td style=\"padding:12px 16px;color:#374151\">1 unit per 15 minutes of anesthesia time (Medicare standard)<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Variable; depends on actual case duration<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">CF (Conversion Factor)<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Dollar value per anesthesia unit; set by CMS annually and adjusted by GPCI<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Varies by geographic locality (2026 national base rate published by CMS)<\/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<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Total reimbursement amount<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Worked example:<\/strong> A 45-minute subdural tap procedure adds 3 time units at 15 minutes each. Combined with the 5 base units for 00212, that&rsquo;s 8 total units. Multiplied by the applicable conversion factor, this produces the billable amount, before any qualifying circumstance units are added.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Anesthesia time begins when the anesthesia provider starts preparation of the patient in the operating room and ends when the provider is no longer in personal attendance. Document start and end times precisely in the anesthesia record, since CMS audits frequently flag missing or inconsistent time documentation as a basis for denial.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The <a href=\"https:\/\/fastrvu.com\/tools\/rvu-lookup\" target=\"_blank\" rel=\"nofollow noopener\">FastRVU 2026 RVU lookup tool<\/a> and the <a href=\"https:\/\/chipsblog.pcc.com\/free-and-legal-2026-rvu-calculator\" target=\"_blank\" rel=\"nofollow noopener\">PCC free 2026 RVU calculator<\/a> can help practices verify unit values against CMS data.<\/p>\n\n\n\n<h2 id=\"h-medicare-fee-schedule-and-reimbursement-for-cpt-code-00212\" class=\"wp-block-heading\">Medicare fee schedule and reimbursement for CPT code 00212<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Medicare anesthesia reimbursement for CPT code 00212 is calculated using the formula above, applied against CMS&rsquo;s annually published conversion factor and adjusted for Geographic Practice Cost Indices (GPCI). Rates differ between facility and non-facility settings, and they vary by Medicare Administrative Contractor (MAC) region.<\/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\">Rate 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\">Notes<\/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<\/td>\n<td style=\"padding:12px 16px;color:#374151\">5 (per ASA RVG; some commercial payers may assign different values)<\/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<\/td>\n<td style=\"padding:12px 16px;color:#374151\">1 unit per 15 minutes of documented anesthesia time<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">2026 conversion factor<\/td>\n<td style=\"padding:12px 16px;color:#374151\">National base rate published by CMS; adjusted by locality GPCI. Verify the current figure at the CMS Physician Fee Schedule lookup.<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0;background:#F9FAFB\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">Facility vs. non-facility<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Facility rate applies when procedure is performed in a hospital or ASC. Most subdural taps occur in a facility setting.<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">GPCI adjustment<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Geographic multiplier applied to practice expense and malpractice components; varies by MAC locality<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n\n\n<p class=\"wp-block-paragraph\">Commercial payers may apply their own conversion factors and base unit values. Always verify payer-specific contracts before assuming Medicare rates apply. The <a href=\"https:\/\/www.aapc.com\/codes\/cpt-codes-range\/\" target=\"_blank\" rel=\"nofollow noopener\">AAPC Codify CPT lookup<\/a> provides code-level detail including crosswalk information useful when negotiating or verifying commercial rates.<\/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>Document the exact anesthesia start and stop times in the anesthesia record and retain them in the patient file. CMS auditors regularly request time documentation for intracranial anesthesia codes. A difference of one 15-minute unit can change the reimbursement amount, and missing documentation creates a repayment liability.<\/p>\n            <\/div>\n        <\/div>\n    \n\n\n<p class=\"wp-block-paragraph\">Anesthesia billing runs smoother when <a href=\"https:\/\/pabau.com\/blog\/best-medical-practice-management-software\/\">medical practice management software<\/a> ties time units, modifiers, and charges to the visit record.<\/p>\n\n\n\n<h2 id=\"h-applicable-modifiers-for-cpt-code-00212\" class=\"wp-block-heading\">Applicable modifiers for CPT code 00212<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Anesthesia modifier selection determines who is billing and what their supervision relationship is. Submitting CPT code 00212 without an appropriate provider-type modifier will typically result in a claim rejection. The following modifiers govern reimbursement for both anesthesiologists and CRNAs.<\/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\">Billing Scenario<\/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<\/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\">Anesthesiologist personally performs the service<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Anesthesiologist (MD\/DO)<\/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 acting without medical direction<\/td>\n<td style=\"padding:12px 16px;color:#374151\">CRNA (independent, in opt-out state)<\/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 under medical direction of an anesthesiologist<\/td>\n<td style=\"padding:12px 16px;color:#374151\">CRNA (medically directed)<\/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\">Anesthesiologist medically directing one CRNA<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Anesthesiologist (directing 1 CRNA)<\/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\">Anesthesiologist medically directing 2-4 CRNAs simultaneously<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Anesthesiologist (directing 2-4 CRNAs)<\/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\">Medical supervision by anesthesiologist directing more than 4 concurrent procedures<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Anesthesiologist (supervising 5+)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n\n\n<p class=\"wp-block-paragraph\">When an anesthesiologist directs a CRNA (modifier QX\/QY\/QK), Medicare pays each provider 50% of the allowed amount, with a combined total of 100%. Using modifier AA requires the anesthesiologist to be personally present throughout the case. If the provider leaves the room, modifier AA is no longer appropriate and must be changed.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Track modifier assignments carefully across cases using claims management software to reduce modifier-related denials.<\/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-00212\/track-claims-from-start-to-finish.webp\" alt=\"Track claims from start to Finish\"\/><figcaption class=\"wp-element-caption\"><em>Track claims from start to Finish<\/em><\/figcaption><\/figure>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h3 id=\"h-qualifying-circumstances-modifiers-for-cpt-code-00212\" class=\"wp-block-heading\">Qualifying circumstances modifiers for CPT code 00212<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Qualifying circumstances are add-on codes that increase reimbursement when documented medical factors increase the complexity or risk of the anesthesia service. They are billed alongside the primary anesthesia code, not in place of it. Verify current NCCI (National Correct Coding Initiative) edits before pairing these with CPT code 00212, as CMS edits can change annually.<\/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\">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\">Qualifier<\/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\">Additional Units<\/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\">99100<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Patient under 1 year or over 70 years of age<\/td>\n<td style=\"padding:12px 16px;color:#374151\">1 unit<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0;background:#F9FAFB\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">99116<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Anesthesia complicated by total body hypothermia<\/td>\n<td style=\"padding:12px 16px;color:#374151\">5 units<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">99135<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Anesthesia complicated by controlled hypotension<\/td>\n<td style=\"padding:12px 16px;color:#374151\">5 units<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0;background:#F9FAFB\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">99140<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Emergency conditions (defined as a significant threat to life or body part)<\/td>\n<td style=\"padding:12px 16px;color:#374151\">2 units<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n\n\n<p class=\"wp-block-paragraph\">Each qualifying circumstance code requires supporting documentation in the anesthesia record. For 99100, note the patient&rsquo;s date of birth. For 99140, document the emergent nature of the case with clinical reasoning. Payer-specific Local Coverage Determinations (LCDs) may impose additional requirements. Inconsistent documentation is the most common reason these add-on codes get stripped on audit.<\/p>\n\n\n\n<h2 id=\"h-icd-10-diagnosis-code-crosswalk-for-cpt-code-00212\" class=\"wp-block-heading\">ICD-10 diagnosis code crosswalk for CPT code 00212<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Every anesthesia claim requires a supported diagnosis code. The ICD-10-CM codes most commonly billed alongside CPT code 00212 reflect the underlying intracranial pathology requiring the subdural tap procedure. The list below is illustrative, not exhaustive. Payers may require specific diagnosis codes for prior authorization; always confirm against the payer&rsquo;s LCD or coverage policy.<\/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<\/tr>\n<\/thead>\n<tbody>\n<tr style=\"border-bottom:1px solid #E8ECF0;background:#F9FAFB\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">S06.5X0A<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Traumatic subdural hemorrhage without loss of consciousness, initial encounter<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">S06.5X1A<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Traumatic subdural hemorrhage with loss of consciousness of 30 minutes or less, initial encounter<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0;background:#F9FAFB\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">I62.00<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Nontraumatic subdural hemorrhage, unspecified<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">I62.01<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Nontraumatic acute subdural hemorrhage<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0;background:#F9FAFB\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">I62.02<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Nontraumatic subacute subdural hemorrhage<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">G93.2<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Benign intracranial hypertension<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0;background:#F9FAFB\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">I62.03<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Nontraumatic chronic subdural hemorrhage<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">P10.0<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Subdural hemorrhage due to birth injury<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n\n\n<p class=\"wp-block-paragraph\">Related traumatic diagnoses. Selecting the most specific available code strengthens medical necessity documentation and reduces the risk of payer downcoding or denial.<\/p>\n\n\n\n<h2 id=\"h-related-cpt-codes-in-the-00210-00218-intracranial-anesthesia-series\" class=\"wp-block-heading\">Related CPT codes in the 00210-00218 intracranial anesthesia series<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">CPT code 00212 sits within a family of eight intracranial anesthesia codes. Selecting the wrong code from this series is a common documentation error, particularly when the operative procedure evolves intraoperatively. Review the series to confirm 00212 is the appropriate code for the specific procedure performed.<\/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\">Procedure 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 (ASA RVG)<\/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\">00210<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Intracranial procedures; not otherwise specified<\/td>\n<td style=\"padding:12px 16px;color:#374151\">11<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0;background:#F9FAFB\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">00211<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Craniotomy or craniectomy for evacuation of hematoma<\/td>\n<td style=\"padding:12px 16px;color:#374151\">10<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\"><strong>00212<\/strong><\/td>\n<td style=\"padding:12px 16px;color:#374151\"><strong>Subdural taps<\/strong><\/td>\n<td style=\"padding:12px 16px;color:#374151\"><strong>5<\/strong><\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0;background:#F9FAFB\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">00214<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Burr holes, including ventriculography<\/td>\n<td style=\"padding:12px 16px;color:#374151\">9<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">00215<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Cranioplasty or elevation of depressed skull fracture; extradural (simple or compound)<\/td>\n<td style=\"padding:12px 16px;color:#374151\">9<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0;background:#F9FAFB\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">00216<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Vascular procedures<\/td>\n<td style=\"padding:12px 16px;color:#374151\">15<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">00218<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Procedures in the sitting position<\/td>\n<td style=\"padding:12px 16px;color:#374151\">13<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n\n\n<p class=\"wp-block-paragraph\">CPT code 00212 carries just 5 base units, the lowest in the series. Base units climb from 9 for 00214 and 00215, to 10 for 00211, 11 for 00210, 13 for 00218, and 15 for 00216. Upcoding to a higher-unit code when the documented procedure supports only 00212 exposes the practice to repayment demands and potential fraud referrals.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Downcoding is equally problematic for revenue. Match the code to the operative note, not to the base unit value. Adjacent code families. <\/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-00212\/how-to-mark-injection-points-in-a-treatment-note.webp\" alt=\"How to Mark Injection Points in a Treatment Note\"\/><figcaption class=\"wp-element-caption\"><em>How to Mark Injection Points in a Treatment Note<\/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-who-can-bill-cpt-code-00212-anesthesiologists-and-crnas\" class=\"wp-block-heading\">Who can bill CPT code 00212: Anesthesiologists and CRNAs<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Both anesthesiologists (MD\/DO) and Certified Registered Nurse Anesthetists (CRNAs) may bill CPT code 00212. The correct modifier and reimbursement amount depend on the provider type and supervision arrangement.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Anesthesiologist, personally performing:<\/strong> Bill with modifier AA. Receives 100% of the allowed amount.<\/li>\n\n\n\n<li><strong>CRNA without medical direction (opt-out state):<\/strong> Bill with modifier QZ. Receives 100% of the allowed amount. CRNA independent billing is permitted only in states that have opted out of the Medicare physician supervision requirement; check current CMS opt-out state list before billing QZ.<\/li>\n\n\n\n<li><strong>CRNA medically directed by anesthesiologist:<\/strong> CRNA bills with modifier QX; anesthesiologist bills with QY (directing 1 CRNA) or QK (directing 2-4 CRNAs). Each provider receives 50% of the allowed amount.<\/li>\n\n\n\n<li><strong>Anesthesiologist supervising 5 or more concurrent cases:<\/strong> Bill with modifier AD. Reduced payment applies.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">State opt-out status directly affects CRNA billing rights. Do not assume CRNA independent billing (modifier QZ) is appropriate in all states. CMS maintains an updated list of states that have exercised the opt-out. Verify current status with your MAC or state anesthesia association before submitting QZ claims.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Using the wrong supervision modifier is a frequent HIPAA-adjacent compliance violation in anesthesia billing, since incorrect claims can trigger both payer audits and regulatory review.<\/p>\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                    Manage anesthesia billing documentation in one place                <\/h3>\n\n                <p class=\"description\">\n                    Pabau helps anesthesia practices and surgical facilities track CPT codes, modifiers, and patient records to reduce claim errors and support compliance workflows.                <\/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 practice management platform for anesthesia billing\"\n                    loading=\"lazy\"\n                \/>\n            <\/div>\n        <\/div>\n        \n\n\n<h2 id=\"h-payer-coverage-and-medical-necessity-requirements\" class=\"wp-block-heading\">Payer coverage and medical necessity requirements<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Medicare covers CPT code 00212 when the subdural tap is medically necessary and appropriately documented. Coverage is determined at the MAC level, and Local Coverage Determinations (LCDs) may specify documentation requirements beyond the base CPT descriptor.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Medicare:<\/strong> Covers anesthesia for medically necessary surgical procedures. The anesthesia provider must document that general or monitored anesthesia care was required based on patient condition, complexity, or surgeon request.<\/li>\n\n\n\n<li><strong>Medicaid:<\/strong> Coverage varies by state. Some state Medicaid programs require prior authorization for intracranial anesthesia codes. Verify with the specific state&rsquo;s Medicaid agency.<\/li>\n\n\n\n<li><strong>Commercial payers:<\/strong> Most follow Medicare coverage principles but may apply different conversion factors, prior authorization requirements, or base unit values. Review each payer contract and LCD before submitting.<\/li>\n\n\n\n<li><strong>Documentation minimum:<\/strong> The anesthesia record must include the pre-anesthesia evaluation, the specific procedure performed (matching the surgeon&rsquo;s operative note), anesthesia start and stop times, monitoring data, and any qualifying circumstances.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">When medical necessity is uncertain, an Advance Beneficiary Notice built on the standard Medicare waiver template protects the practice from absorbing the cost of a claim Medicare later denies.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">For complex cases where multiple diagnosis codes apply, the primary diagnosis driving the procedure should be listed first on the claim. Secondary diagnoses supporting medical necessity (such as elevated intracranial pressure or altered mental status) strengthen the record. Robust medical forms at your facility reduce the risk of medical necessity denials and streamline payer audits.<\/p>\n\n\n\n<h2 id=\"h-documentation-requirements-for-cpt-code-00212\" class=\"wp-block-heading\">Documentation requirements for CPT code 00212<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Anesthesia documentation for CPT code 00212 draws closer payer scrutiny than most procedure claims, because reimbursement itself is tied to time and because intracranial codes sit on payers&rsquo; audit-priority lists. The anesthesia record has to support every element of the claim, not just the code choice.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Pull the required elements together in one place before submission:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Pre-anesthesia evaluation:<\/strong> Completed before the procedure begins, documenting the patient&rsquo;s condition and the rationale for general or monitored anesthesia care.<\/li>\n\n\n\n<li><strong>Anesthesia start and stop times:<\/strong> The moment preparation of the patient begins and the moment the provider is no longer in personal attendance, recorded contemporaneously rather than reconstructed afterward.<\/li>\n\n\n\n<li><strong>Procedure matched to the operative note:<\/strong> The anesthesia record and the surgeon&rsquo;s operative note must both describe a subdural tap, not a craniotomy or another intracranial procedure.<\/li>\n\n\n\n<li><strong>Qualifying circumstance support:<\/strong> Documentation for any add-on code billed alongside 00212, such as the patient&rsquo;s date of birth for 99100 or the clinical basis for an emergency designation under 99140.<\/li>\n\n\n\n<li><strong>Monitoring data:<\/strong> Continuous intraoperative vital signs, fluid management, and any interventions performed during the case.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Practices that capture these elements directly in the patient record, rather than piecing them together from memory after the case, are better positioned to win a payer appeal. <\/p>\n\n\n\n<h2 id=\"h-common-billing-errors-and-compliance-tips-for-cpt-code-00212\" class=\"wp-block-heading\">Common billing errors and compliance tips for CPT code 00212<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Intracranial anesthesia codes attract a higher level of payer scrutiny than routine anesthesia claims. The following errors appear consistently in CPT code 00212 denial patterns.<\/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\">Error<\/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\">Why It Happens<\/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\">Prevention<\/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\">Incorrect modifier<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Provider type or supervision arrangement not matched to modifier<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Verify provider-type modifier before submission; use billing software modifier logic checks<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0;background:#F9FAFB\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">Missing anesthesia time documentation<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Start\/stop times not recorded or transcribed incorrectly<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Record times in the anesthesia record contemporaneously; cross-check against OR log<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">Wrong code in the 00210-00218 series<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Code selected by base units rather than procedure type<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Map code selection to the surgeon&rsquo;s operative note, not to unit value<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0;background:#F9FAFB\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">Undocumented qualifying circumstance<\/td>\n<td style=\"padding:12px 16px;color:#374151\">99100\/99140 billed without supporting documentation<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Note DOB for 99100; document emergent nature of case for 99140 in real time<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">CRNA billing QZ in non-opt-out state<\/td>\n<td style=\"padding:12px 16px;color:#374151\">State opt-out status assumed rather than verified<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Confirm current opt-out status from CMS MAC; update billing workflow when states change status<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0;background:#F9FAFB\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">ICD-10 mismatch<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Diagnosis code does not support the specific procedure billed<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Link diagnosis code selection to the surgeon&rsquo;s pre-op and post-op documentation<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n\n\n<p class=\"wp-block-paragraph\">Regular internal coding audits reduce claim rework and the risk of payer-initiated post-payment audits. Review a sample of CPT code 00212 claims quarterly against the anesthesia records to verify modifier accuracy, time documentation, and diagnosis code specificity. Practices using integrated practice management software can build compliance checks directly into their billing workflow rather than relying on manual review alone.<\/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>Run a quarterly audit of your CPT code 00212 claims. Pull 10-15 cases and verify that the modifier on the claim matches the supervision arrangement documented in the anesthesia record, that time units match start and stop times, and that any qualifying circumstance codes have supporting documentation. This takes about two hours and typically catches errors before payers do.<\/p>\n            <\/div>\n        <\/div>\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-00214\/\">CPT code 00214 \u2014 Anesthesia for intracranial burr holes<\/a><\/li>\n\n\n<li><a href=\"https:\/\/pabau.com\/procedure-codes\/cpt-code-00215\/\">CPT Code 00215<\/a><\/li>\n\n\n<li><a href=\"https:\/\/pabau.com\/procedure-codes\/cpt-code-00216\/\">CPT code 00216 \u2014 Anesthesia for intracranial vascular procedures<\/a><\/li>\n<\/ul>\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 00212 is a precise code with a narrow procedure definition. Subdural tap anesthesia claims require accurate modifier selection, contemporaneous time documentation, correctly matched ICD-10 diagnosis codes, and qualifying circumstance documentation where applicable. Any missing piece in that chain creates a denial or repayment risk.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Pabau&rsquo;s claims management software helps anesthesia teams build those verification steps into standard billing workflows, reducing the manual overhead of compliance and keeping records audit-ready. To see how it fits your practice&rsquo;s billing process, <a href=\"https:\/\/pabau.com\/book-demo\/\">book a demo<\/a>.<\/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 billing details for a related seated-position anesthesia code?<\/strong> <a href=\"https:\/\/pabau.com\/procedure-codes\/cpt-code-00604\/\" rel=\"noopener\">CPT code 00604<\/a> covers cervical spine anesthesia performed in the sitting position, with its own base-unit and modifier requirements.<\/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 diagnosis code for a related traumatic brain injury encounter?<\/strong> <a href=\"https:\/\/pabau.com\/diagnostic-codes\/icd-10-code-s06365d\/\" rel=\"noopener\">S06.365D<\/a> documents a subsequent encounter for traumatic cerebral hemorrhage, useful when a subdural tap follows earlier head trauma.<\/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>Billing anesthesia for a different head and neck procedure?<\/strong> <a href=\"https:\/\/pabau.com\/procedure-codes\/cpt-code-00124\/\" rel=\"noopener\">CPT code 00124<\/a> covers anesthesia for ear procedures and otoscopy, with its own base units and modifier rules.<\/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-1784878339389\"><h3 class=\"schema-faq-question\">What is CPT code 00212?<\/h3> <p class=\"schema-faq-answer\">CPT code 00212 is an anesthesia code that describes services provided for intracranial procedures involving subdural taps. It falls within the 00210-00218 intracranial anesthesia series maintained by the AMA, with 5 base units assigned per the ASA Relative Value Guide.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1784878339390\"><h3 class=\"schema-faq-question\">How many base units does CPT code 00212 have?<\/h3> <p class=\"schema-faq-answer\">CPT code 00212 carries 5 base units per the ASA Relative Value Guide. Reimbursement is calculated using the formula: (5 base units + time units) multiplied by the applicable conversion factor. Some commercial payers may use different base unit values; verify against your payer contract.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1784878339391\"><h3 class=\"schema-faq-question\">What modifiers are used with CPT code 00212?<\/h3> <p class=\"schema-faq-answer\">Provider-type modifiers include AA (anesthesiologist personally performing), QZ (CRNA without medical direction in an opt-out state), QX (CRNA under medical direction), QY (anesthesiologist directing 1 CRNA), QK (directing 2-4 CRNAs), and AD (supervising 5 or more). Select the modifier that accurately reflects the provider type and supervision arrangement.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1784878339392\"><h3 class=\"schema-faq-question\">Can a CRNA bill CPT code 00212 independently?<\/h3> <p class=\"schema-faq-answer\">A CRNA may bill CPT code 00212 independently using modifier QZ only in states where the governor has exercised the Medicare opt-out from physician supervision requirements. In all other states, a supervising physician is required and the appropriate directed-service modifier (QX, QY, or QK) must be used instead. Always verify current opt-out status with your MAC before billing QZ.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1784878339393\"><h3 class=\"schema-faq-question\">What ICD-10 codes are typically billed with CPT code 00212?<\/h3> <p class=\"schema-faq-answer\">Common diagnosis codes billed alongside CPT code 00212 include I62.00 (nontraumatic subdural hemorrhage, unspecified), I62.01 (nontraumatic acute subdural hemorrhage), S06.5X0A (traumatic subdural hemorrhage without loss of consciousness, initial encounter), and G93.2 (benign intracranial hypertension). Select the most specific code supported by the clinical documentation.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1784878339394\"><h3 class=\"schema-faq-question\">What is the difference between CPT code 00210 and CPT code 00212?<\/h3> <p class=\"schema-faq-answer\">CPT code 00210 covers anesthesia for intracranial procedures not otherwise specified and carries 11 base units. CPT code 00212 is specific to subdural tap procedures and carries 5 base units. Use 00212 only when the operative note documents a subdural tap; use 00210 for intracranial procedures not covered by a more specific code in the 00210-00218 series.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1784878339395\"><h3 class=\"schema-faq-question\">What are qualifying circumstances for anesthesia billing?<\/h3> <p class=\"schema-faq-answer\">Qualifying circumstances are add-on codes (99100, 99116, 99135, 99140) billed alongside the primary anesthesia code when documented clinical factors increase risk or complexity. Code 99100 applies to patients under 1 year or over 70 years old; 99140 applies to documented emergency conditions. Each requires supporting documentation in the anesthesia record and is subject to NCCI edit verification.<\/p> <\/div> <\/div>\n","protected":false},"excerpt":{"rendered":"<p>CPT code 00212 is the anesthesia code for intracranial procedures involving subdural taps, carrying 5 base units under the ASA Relative Value Guide. This reference covers the 2026 Medicare fee schedule, modifier selection, qualifying circumstances, the ICD-10 crosswalk, and the documentation anesthesiologists and CRNAs need to bill 00212 accurately. The anesthesia section of the CPT [&hellip;]<\/p>\n","protected":false},"author":77,"featured_media":163582,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_yoast_wpseo_linkdex":"88","_yoast_wpseo_content_score":"30","_yoast_wpseo_is_cornerstone":"","_yoast_wpseo_keywordsynonyms":"[\"\",\"\",\"\",\"\"]","_yoast_wpseo_focuskw_text_input":"","_seo_original_html":"","footnotes":""},"categories":[1433,1546],"tags":[4162,1602,4164,1236],"class_list":["post-163584","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-billing-codes","category-cpt-codes","tag-anesthesia-billing","tag-cpt-modifiers","tag-crna","tag-medicare-reimbursement"],"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 00212 for Subdural Tap Procedures Explained<\/title>\n<meta name=\"description\" content=\"CPT code 00212 covers anesthesia for subdural tap procedures. See base units, modifiers, and billing requirements.\" \/>\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\/fr\/procedure-codes\/cpt-code-00212\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"CPT Code 00212 for Subdural Tap Procedures Explained\" \/>\n<meta property=\"og:description\" content=\"CPT code 00212 covers anesthesia for subdural tap procedures. 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It falls within the 00210-00218 intracranial anesthesia series maintained by the AMA, with 5 base units assigned per the ASA Relative Value Guide.","inLanguage":"fr-FR"},"inLanguage":"fr-FR"},{"@type":"Question","@id":"https:\/\/pabau.com\/fr\/procedure-codes\/cpt-code-00212\/#faq-question-1784878339390","position":2,"url":"https:\/\/pabau.com\/fr\/procedure-codes\/cpt-code-00212\/#faq-question-1784878339390","name":"How many base units does CPT code 00212 have?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"CPT code 00212 carries 5 base units per the ASA Relative Value Guide. Reimbursement is calculated using the formula: (5 base units + time units) multiplied by the applicable conversion factor. Some commercial payers may use different base unit values; verify against your payer contract.","inLanguage":"fr-FR"},"inLanguage":"fr-FR"},{"@type":"Question","@id":"https:\/\/pabau.com\/fr\/procedure-codes\/cpt-code-00212\/#faq-question-1784878339391","position":3,"url":"https:\/\/pabau.com\/fr\/procedure-codes\/cpt-code-00212\/#faq-question-1784878339391","name":"What modifiers are used with CPT code 00212?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"Provider-type modifiers include AA (anesthesiologist personally performing), QZ (CRNA without medical direction in an opt-out state), QX (CRNA under medical direction), QY (anesthesiologist directing 1 CRNA), QK (directing 2-4 CRNAs), and AD (supervising 5 or more). Select the modifier that accurately reflects the provider type and supervision arrangement.","inLanguage":"fr-FR"},"inLanguage":"fr-FR"},{"@type":"Question","@id":"https:\/\/pabau.com\/fr\/procedure-codes\/cpt-code-00212\/#faq-question-1784878339392","position":4,"url":"https:\/\/pabau.com\/fr\/procedure-codes\/cpt-code-00212\/#faq-question-1784878339392","name":"Can a CRNA bill CPT code 00212 independently?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"A CRNA may bill CPT code 00212 independently using modifier QZ only in states where the governor has exercised the Medicare opt-out from physician supervision requirements. In all other states, a supervising physician is required and the appropriate directed-service modifier (QX, QY, or QK) must be used instead. Always verify current opt-out status with your MAC before billing QZ.","inLanguage":"fr-FR"},"inLanguage":"fr-FR"},{"@type":"Question","@id":"https:\/\/pabau.com\/fr\/procedure-codes\/cpt-code-00212\/#faq-question-1784878339393","position":5,"url":"https:\/\/pabau.com\/fr\/procedure-codes\/cpt-code-00212\/#faq-question-1784878339393","name":"What ICD-10 codes are typically billed with CPT code 00212?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"Common diagnosis codes billed alongside CPT code 00212 include I62.00 (nontraumatic subdural hemorrhage, unspecified), I62.01 (nontraumatic acute subdural hemorrhage), S06.5X0A (traumatic subdural hemorrhage without loss of consciousness, initial encounter), and G93.2 (benign intracranial hypertension). Select the most specific code supported by the clinical documentation.","inLanguage":"fr-FR"},"inLanguage":"fr-FR"},{"@type":"Question","@id":"https:\/\/pabau.com\/fr\/procedure-codes\/cpt-code-00212\/#faq-question-1784878339394","position":6,"url":"https:\/\/pabau.com\/fr\/procedure-codes\/cpt-code-00212\/#faq-question-1784878339394","name":"What is the difference between CPT code 00210 and CPT code 00212?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"CPT code 00210 covers anesthesia for intracranial procedures not otherwise specified and carries 11 base units. CPT code 00212 is specific to subdural tap procedures and carries 5 base units. Use 00212 only when the operative note documents a subdural tap; use 00210 for intracranial procedures not covered by a more specific code in the 00210-00218 series.","inLanguage":"fr-FR"},"inLanguage":"fr-FR"},{"@type":"Question","@id":"https:\/\/pabau.com\/fr\/procedure-codes\/cpt-code-00212\/#faq-question-1784878339395","position":7,"url":"https:\/\/pabau.com\/fr\/procedure-codes\/cpt-code-00212\/#faq-question-1784878339395","name":"What are qualifying circumstances for anesthesia billing?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"Qualifying circumstances are add-on codes (99100, 99116, 99135, 99140) billed alongside the primary anesthesia code when documented clinical factors increase risk or complexity. Code 99100 applies to patients under 1 year or over 70 years old; 99140 applies to documented emergency conditions. Each requires supporting documentation in the anesthesia record and is subject to NCCI edit verification.","inLanguage":"fr-FR"},"inLanguage":"fr-FR"}]}},"yoast":{"focus_keyword":"CPT code 00212","seo_title":"CPT Code 00212 for Subdural Tap Procedures Explained","meta_description":"CPT code 00212 covers anesthesia for subdural tap procedures. See base units, modifiers, and billing requirements.","content_score":"30","is_cornerstone":"","related_keyphrases":[{"keyword":"anesthesia base units","score":72},{"keyword":"qualifying circumstances anesthesia","score":67},{"keyword":"Medicare anesthesia reimbursement","score":61}]},"_links":{"self":[{"href":"https:\/\/pabau.com\/fr\/wp-json\/wp\/v2\/posts\/163584","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pabau.com\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/pabau.com\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/pabau.com\/fr\/wp-json\/wp\/v2\/users\/77"}],"replies":[{"embeddable":true,"href":"https:\/\/pabau.com\/fr\/wp-json\/wp\/v2\/comments?post=163584"}],"version-history":[{"count":4,"href":"https:\/\/pabau.com\/fr\/wp-json\/wp\/v2\/posts\/163584\/revisions"}],"predecessor-version":[{"id":182000,"href":"https:\/\/pabau.com\/fr\/wp-json\/wp\/v2\/posts\/163584\/revisions\/182000"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/pabau.com\/fr\/wp-json\/wp\/v2\/media\/163582"}],"wp:attachment":[{"href":"https:\/\/pabau.com\/fr\/wp-json\/wp\/v2\/media?parent=163584"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/pabau.com\/fr\/wp-json\/wp\/v2\/categories?post=163584"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/pabau.com\/fr\/wp-json\/wp\/v2\/tags?post=163584"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}