{"id":162286,"date":"2026-07-23T09:35:47","date_gmt":"2026-07-23T09:35:47","guid":{"rendered":"https:\/\/pabau.com\/?p=162286"},"modified":"2026-08-17T11:37:58","modified_gmt":"2026-08-17T11:37:58","slug":"cpt-code-00604","status":"publish","type":"post","link":"https:\/\/pabau.com\/fr\/procedure-codes\/cpt-code-00604\/","title":{"rendered":"CPT Code 00604: Cervical spine anesthesia in sitting position"},"content":{"rendered":"\n<script type=\"application\/ld+json\">{\"@context\":\"https:\/\/schema.org\",\"@type\":\"MedicalWebPage\",\"headline\":\"CPT Code 00604: Cervical spine anesthesia in sitting position\",\"description\":\"CPT code 00604 covers anesthesia for cervical spine and cord procedures with the patient in a sitting position. Learn base units, billing formula, modifiers, and Medicare reimbursement.\",\"url\":\"https:\/\/pabau.com\/procedure-codes\/cpt-code-00604\/\",\"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\":\"2026-07-23\",\"dateModified\":\"2026-07-23\"}<\/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 00604 covers anesthesia for cervical spine and cord procedures specifically when the patient is in the sitting (beach chair) position<\/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 ASA-assigned base unit value is 13, higher than sibling code 00600 (10 units) due to the additional complexity of the sitting position<\/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>Billing uses the formula: (base units + time units + physical status units) x conversion factor. Missing the physical status modifier is one of the most common denial triggers<\/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 practices track unit calculations, attach modifiers, and reduce claim errors across cervical spine cases<\/p>\n                        <\/div>\n                                                <\/div>\n        <\/div>\n    \n\n\n<p class=\"wp-block-paragraph\"><strong>CPT code 00604<\/strong> is the anesthesia code for cervical spine and cord procedures performed with the patient in the sitting, or beach chair, position. The position qualifier matters for billing because it carries 3 more ASA base units than sibling code 00600, and payers expect the anesthesia record to document the position explicitly before reimbursing at that higher rate.<\/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-00604-definition-and-clinical-classification\" class=\"wp-block-heading\">CPT Code 00604: Definition and clinical classification<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">CPT code 00604 applies specifically when a cervical spine or spinal cord procedure is performed with the patient in the sitting position. The most common coding mistake on these claims is using the wrong sibling code when the patient was not in that position.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/pabau.com\/features\/claims-management-software\/\">Claims management software<\/a> that enforces positional documentation can catch this error before the claim goes out.<\/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-00604\/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<p class=\"wp-block-paragraph\">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> maintains the CPT code set. CPT code 00604 falls within the cervical spine and cord codes (00600-00604), part of the broader anesthesia section for procedures on the spine and spinal cord (00600-00670).<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The sitting position qualifier signals a meaningfully different anesthetic challenge, involving hemodynamic instability risk and venous air embolism exposure, that the base code 00600 does not capture.<\/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\">00604<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0;background:#F9FAFB\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">Long description<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Anesthesia for procedures on the cervical spine and cord; with patient in sitting position<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">Short description<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Anesth cervical spine sitting<\/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 section<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Cervical spine and cord codes (00600-00604), part of the broader anesthesia section for procedures on the spine and spinal cord (00600-00670)<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">Code status<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Active<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0;background:#F9FAFB\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">ASA base units<\/td>\n<td style=\"padding:12px 16px;color:#374151\">13<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">Typical procedures<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Anterior cervical discectomy and fusion (ACDF), cervical laminoplasty, posterior cervical fusion performed with patient upright<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n\n\n<h2 id=\"h-base-units-for-cpt-code-00604\" class=\"wp-block-heading\">Base units for CPT code 00604<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">CPT code 00604 carries 13 ASA base units, as established by the American Society of Anesthesiologists (ASA) Relative Value Guide. This is the starting point for every claim calculation and reflects the inherent complexity of managing anesthesia with the patient in a sitting position.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Across the cervical spine code range, codes with specific positional or complexity qualifiers carry higher base unit values than their \u00ab\u00a0not otherwise specified\u00a0\u00bb siblings. The table below shows how 00604 compares within its code family.<\/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:center;font-weight:600;font-size:14px;letter-spacing:0.3px;border-bottom:2px solid #2BADD4\">ASA Base 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\">00600<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Anesthesia for procedures on cervical spine and cord; not otherwise specified<\/td>\n<td style=\"padding:12px 16px;text-align:center;color:#374151\">10<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0;background:#F9FAFB\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">00604<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Anesthesia for procedures on cervical spine and cord; with patient in sitting position<\/td>\n<td style=\"padding:12px 16px;text-align:center;color:#374151\">13<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n\n\n<p class=\"wp-block-paragraph\">Verify the current base unit value against the ASA Relative Value Guide for the billing year in question. Payer contracts may apply different base unit schedules; always confirm with each contracted payer before submitting.<\/p>\n\n\n\n<h2 id=\"h-how-anesthesia-billing-works-for-cpt-code-00604\" class=\"wp-block-heading\">How anesthesia billing works for CPT code 00604<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Anesthesia billing does not use the same RVU-based fee schedule as surgical procedures. Instead, it uses a unit-based formula combining base units, time units, and qualifying modifiers.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The standard formula, as defined by CMS and the ASA, 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\">Description<\/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\">13 (ASA-assigned for CPT code 00604)<\/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 anesthesia time (typical; some payers use 1 unit per 10 minutes)<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">Physical status units<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Added based on ASA physical status modifier (varies by payer)<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0;background:#F9FAFB\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">Conversion factor<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Dollar value per unit; set annually by CMS for Medicare and by payer contracts for commercial insurers<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">Formula<\/td>\n<td style=\"padding:12px 16px;color:#374151\">(Base units + Time units + Physical status units) x Conversion factor = Total reimbursement<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Worked example:<\/strong> A patient classified as P3 undergoes a 90-minute posterior cervical fusion in the sitting position. Base units = 13. Time units = 90 \/ 15 = 6. Physical status units (P3) = 1. Total units = 20.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">At a hypothetical conversion factor of $23 per unit, total reimbursement = $460. Dollar amounts vary by locality and payer. Use the <a href=\"https:\/\/fastrvu.com\/tools\/rvu-lookup\" target=\"_blank\" rel=\"nofollow noopener\">FastRVU 2026 lookup tool<\/a> or the CMS Physician Fee Schedule to check current locality-adjusted rates.<\/p>\n\n\n\n<h3 id=\"h-time-units\" class=\"wp-block-heading\">Time units<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Time units represent the anesthesia care time, measured from induction to emergence. Most payers calculate 1 unit per 15 minutes, rounding to the nearest unit or half-unit depending on the payer&rsquo;s rounding convention.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The anesthesia record must document the start time (anesthesia induction) and end time (patient is under qualified anesthesia supervision no longer needed) to the nearest minute. Vague documentation such as \u00ab\u00a0procedure start\u00a0\u00bb and \u00ab\u00a0procedure end\u00a0\u00bb is a frequent audit trigger that applies equally to 00604.<\/p>\n\n\n\n<h2 id=\"h-physical-status-modifiers-for-anesthesia-billing\" class=\"wp-block-heading\">Physical status modifiers for anesthesia billing<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">The ASA physical status (PS) classification assigns a modifier to every anesthesia claim indicating the patient&rsquo;s health status at the time of surgery. These modifiers affect reimbursement for commercial payers; Medicare does not add unit values for physical status modifiers but still requires them on claims for administrative purposes.<\/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\">Patient Status<\/th>\n<th style=\"background:#121D36;color:#fff;padding:14px 16px;text-align:center;font-weight:600;font-size:14px;letter-spacing:0.3px;border-bottom:2px solid #2BADD4\">ASA Units Added<\/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\">P1<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Normal healthy patient<\/td>\n<td style=\"padding:12px 16px;text-align:center;color:#374151\">0<\/td>\n<td style=\"padding:12px 16px;color:#374151\">No additional 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\">P2<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Patient with mild systemic disease<\/td>\n<td style=\"padding:12px 16px;text-align:center;color:#374151\">0<\/td>\n<td style=\"padding:12px 16px;color:#374151\">No additional units<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">P3<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Patient with severe systemic disease<\/td>\n<td style=\"padding:12px 16px;text-align:center;color:#374151\">1<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Most common classification for cervical spine surgical patients<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0;background:#F9FAFB\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">P4<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Patient with severe systemic disease that is a constant threat to life<\/td>\n<td style=\"padding:12px 16px;text-align:center;color:#374151\">2<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Not recognized by all commercial payers<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">P5<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Moribund patient not expected to survive without the operation<\/td>\n<td style=\"padding:12px 16px;text-align:center;color:#374151\">3<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Uncommon for elective cervical spine cases<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0;background:#F9FAFB\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">P6<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Brain-dead patient declared for organ donation<\/td>\n<td style=\"padding:12px 16px;text-align:center;color:#374151\">0<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Not typically billed; used for reporting only<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n\n\n<p class=\"wp-block-paragraph\">Payer recognition of P4 and P5 unit add-ons varies significantly. Verify with each contracted payer before expecting reimbursement for these modifiers. Always document the clinical rationale for the assigned physical status classification in the pre-anesthesia evaluation.<\/p>\n\n\n\n<h2 id=\"h-qualifying-circumstances-add-on-codes\" class=\"wp-block-heading\">Qualifying circumstances add-on codes<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Qualifying circumstances are AMA-defined add-on codes that reflect unusual anesthetic complexity beyond what the base code captures. They are billed in addition to CPT code 00604 when applicable and increase the total unit count.<\/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\">Add-on 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\">When to Use with 00604<\/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\">Anesthesia for patient of extreme age (younger than 1 year or older than 70 years)<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Elderly patients with cervical myelopathy undergoing decompression surgery<\/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 using controlled hypotension<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Cases requiring deliberate blood pressure reduction to minimize intraoperative bleeding<\/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 using controlled hypothermia<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Procedures requiring deliberate core temperature reduction for neuroprotection<\/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\">Anesthesia for emergency conditions<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Urgent or emergent cervical spine decompression, including acute cord compression<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n\n\n<p class=\"wp-block-paragraph\">Each qualifying circumstance code adds units to the claim and requires supporting documentation in the anesthesia record. Do not append 99100 based on age alone; the clinical record must reflect the anesthetic significance of the patient&rsquo;s age.<\/p>\n\n\n\n<h2 id=\"h-common-modifiers-used-with-cpt-code-00604\" class=\"wp-block-heading\">Common modifiers used with CPT code 00604<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Anesthesia provider role modifiers tell the payer who delivered the anesthesia care. These are required on every anesthesia claim and directly affect whether a claim is accepted or denied. Using the wrong modifier is a common cause of payment delays.<\/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\">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\">Use Case<\/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\">Anesthesia services performed personally by an anesthesiologist<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Attending anesthesiologist provides all care independently<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0;background:#F9FAFB\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">QK<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Medical direction of 2-4 concurrent anesthesia procedures<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Attending anesthesiologist directing multiple CRNAs or AAs simultaneously<\/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 service under medical direction of a physician<\/td>\n<td style=\"padding:12px 16px;color:#374151\">CRNA performing anesthesia under attending anesthesiologist direction<\/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\">Medical direction of one CRNA by an anesthesiologist<\/td>\n<td style=\"padding:12px 16px;color:#374151\">One-to-one medically directed case<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">QZ<\/td>\n<td style=\"padding:12px 16px;color:#374151\">CRNA service without medical direction<\/td>\n<td style=\"padding:12px 16px;color:#374151\">CRNA operating independently; different reimbursement rates apply<\/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 of more than 4 concurrent anesthesia procedures<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Attending anesthesiologist supervising 5+ concurrent cases; reduced reimbursement<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n\n\n<p class=\"wp-block-paragraph\">The <a href=\"https:\/\/www.ama-assn.org\/practice-management\/cpt\/cpt-coding-resources\" target=\"_blank\" rel=\"nofollow noopener\">AMA&rsquo;s CPT coding resources<\/a> provide additional guidance on appropriate modifier selection. For medically directed cases (QK, QX, QY), the attending anesthesiologist must meet seven specific CMS documentation requirements to qualify for the higher medical direction reimbursement rate.<\/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 attending anesthesiologist&rsquo;s seven medical direction activities (pre-anesthesia evaluation, induction presence, immediate availability, post-anesthesia care) in the record for every medically directed 00604 case. Missing even one activity can reclassify the case from medical direction to medical supervision, reducing reimbursement by up to 50%.<\/p>\n            <\/div>\n        <\/div>\n    \n\n\n<h2 id=\"h-icd-10-codes-commonly-billed-with-cpt-00604\" class=\"wp-block-heading\">ICD-10 codes commonly billed with CPT 00604<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">The ICD-10 diagnosis code submitted alongside CPT code 00604 must support medical necessity for the cervical spine procedure. Cervical spine surgery is often the last step after conservative measures like chiropractic care or physical therapy have failed to relieve symptoms, and that treatment history supports the diagnosis code on the claim.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The table below lists common cervical spine diagnoses that frequently accompany 00604 claims. These are crosswalk references only, and the code submitted must still reflect the patient&rsquo;s clinical findings per payer LCD and NCD requirements.<\/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\">Clinical 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 Procedure 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\">M47.12<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Spondylosis with myelopathy, cervical region<\/td>\n<td style=\"padding:12px 16px;color:#374151\">ACDF, posterior cervical decompression<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0;background:#F9FAFB\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">M50.32<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Cervical disc degeneration, mid-cervical region<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Cervical discectomy with fusion<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">M50.22<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Displacement of cervical disc, mid-cervical region<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Cervical disc replacement, discectomy<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0;background:#F9FAFB\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">M47.012<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Anterior spinal artery compression syndromes, cervical region<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Cervical cord decompression surgery<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">G95.89<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Other specified diseases of spinal cord<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Spinal cord tumor resection, cervical myelopathy<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0;background:#F9FAFB\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">M43.12<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Spondylolisthesis, cervical region<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Posterior cervical fusion for instability<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n\n\n<p class=\"wp-block-paragraph\">No ICD-10 code automatically guarantees payer coverage. Submit the code that most accurately reflects the documented clinical condition. If a complication such as post-dural puncture headache develops, O89.2 is reported separately from the primary surgical diagnosis.<\/p>\n\n\n\n<h2 id=\"h-medicare-reimbursement-for-cpt-code-00604\" class=\"wp-block-heading\">Medicare reimbursement for CPT code 00604<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Medicare calculates anesthesia reimbursement using a locality-adjusted conversion factor published annually by CMS. The formula is the same unit-based approach (base + time + qualifying units), but Medicare does not add units for physical status modifiers P1 through P5.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Use the <a href=\"https:\/\/www.cms.gov\/medicare\/physician-fee-schedule\/search\/overview\" target=\"_blank\" rel=\"nofollow noopener\">CMS Fee Schedule lookup<\/a> to find the current Medicare anesthesia conversion factor for your locality. Geographic adjusters (GPCI) apply to anesthesia payments differently than to physician services, so verify your MAC&rsquo;s locality-specific factor before estimating reimbursement.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">See also procedure code fee schedules for a broader overview of how procedure-level reimbursement works across payer types.<\/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\">Medicare Factor<\/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\">How it applies to CPT 00604<\/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\">Anesthesia conversion factor<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Dollar value per unit; updated each January 1. Verify current year value from 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\">Physical status modifiers<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Medicare does not add units for P1-P5. Include modifier on claim for reporting; no reimbursement effect.<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">Medical direction vs. personal performance<\/td>\n<td style=\"padding:12px 16px;color:#374151\">AA modifier = 100% of allowed amount. QK\/QY modifiers (medically directed) = 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\">Geographic adjustment (GPCI)<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Locality multiplier applied to anesthesia conversion factor; varies by MAC jurisdiction.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n\n\n<h2 id=\"h-cpt-code-00604-vs-cpt-code-00600-key-differences\" class=\"wp-block-heading\">CPT code 00604 vs CPT code 00600: Key differences<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">This is the code selection decision that generates the most billing confusion in cervical spine anesthesia. Using 00600 when the patient was sitting costs the practice 3 base units per case, and may trigger a payer audit if positioning documentation contradicts the code selection.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The same sibling-code mix-up shows up elsewhere in anesthesia 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\">Criteria<\/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\">CPT 00600<\/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\">CPT 00604<\/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\">Official description<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Anesthesia for procedures on the cervical spine and cord; not otherwise specified<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Anesthesia for procedures on the cervical spine and cord; with patient in sitting position<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0;background:#F9FAFB\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">Patient position<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Prone, supine, lateral decubitus, or not documented<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Sitting (upright\/beach chair) position only<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">ASA base units<\/td>\n<td style=\"padding:12px 16px;color:#374151\">10<\/td>\n<td style=\"padding:12px 16px;color:#374151\">13<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0;background:#F9FAFB\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">Primary procedures<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Posterior cervical fusion (prone), cervical disc arthroplasty (supine)<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Posterior cervical fusion or laminoplasty performed with patient sitting<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">Key anesthetic risk<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Standard spinal surgery risks<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Venous air embolism, hemodynamic instability from upright position<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0;background:#F9FAFB\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">Documentation requirement<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Standard anesthesia record; position not a billed distinction<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Anesthesia record must explicitly document sitting\/upright\/beach chair position<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n\n\n<p class=\"wp-block-paragraph\">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 for both 00600 and 00604 including crosswalk references, which can help billers quickly verify that the correct sibling code is selected for each case.<\/p>\n\n\n\n<h2 id=\"h-documentation-requirements-for-billing-cpt-00604\" class=\"wp-block-heading\">Documentation requirements for billing CPT 00604<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Most denied 00604 claims trace back to missing documentation rather than a payer rule. The anesthesia record must contain all of the following elements before the claim is submitted. Using anesthesia record forms that prompt for each required field reduces omission errors at the point of care.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Pre-anesthesia evaluation:<\/strong> Completed and signed before the procedure begins; must include ASA physical status classification with supporting clinical rationale.<\/li>\n\n\n\n<li><strong>Sitting position documented explicitly:<\/strong> The anesthesia record must state the patient was in the sitting (upright\/beach chair) position. \u00ab\u00a0Posterior approach\u00a0\u00bb alone is insufficient.<\/li>\n\n\n\n<li><strong>Induction and emergence times:<\/strong> Start and end times recorded to the nearest minute; supports time unit calculation and resolves audit disputes.<\/li>\n\n\n\n<li><strong>Intraoperative monitoring:<\/strong> All monitored parameters documented (arterial line, precordial Doppler if used for VAE detection, ETCO2, SpO2, temperature).<\/li>\n\n\n\n<li><strong>Attending anesthesiologist attestation:<\/strong> For medically directed cases, all seven required attestations must be completed in the record.<\/li>\n\n\n\n<li><strong>Qualifying circumstances documentation:<\/strong> If a 99100\/99116\/99135\/99140 add-on code is billed, the clinical basis must be recorded (e.g., patient age over 70, use of controlled hypotension technique).<\/li>\n\n\n\n<li><strong>Post-anesthesia evaluation:<\/strong> Completed within the timeframe specified by your facility and payer; required for Medicare.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">For practices managing HIPAA-compliant documentation practices, anesthesia records containing patient position, times, and monitoring data fall under the same PHI protection requirements as any other clinical documentation.<\/p>\n\n\n\n<h2 id=\"h-common-billing-errors-to-avoid-with-cervical-spine-anesthesia\" class=\"wp-block-heading\">Common billing errors to avoid with cervical spine anesthesia<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Cervical spine anesthesia claims have a predictable set of failure points. Each error below maps to a specific correction.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Using 00600 when patient is in sitting position:<\/strong> The most financially costly error. Costs 3 base units per claim. The fix is explicit position documentation in the anesthesia record before claim submission.<\/li>\n\n\n\n<li><strong>Omitting the physical status modifier:<\/strong> Claims submitted without a P1-P6 modifier are rejected by most commercial payers. The modifier must appear in Box 24D on the CMS-1500 or the equivalent electronic field.<\/li>\n\n\n\n<li><strong>Incorrect time unit calculation:<\/strong> Rounding rules vary by payer (nearest unit vs. nearest half-unit). Build the payer&rsquo;s specific rounding rule into your billing workflow for each contracted plan.<\/li>\n\n\n\n<li><strong>Missing qualifying circumstance add-on codes:<\/strong> 99100 for elderly patients and 99140 for emergency cases are frequently omitted even when clinically justified. This happens often enough across anesthesia practices&rsquo; claims to be worth building into a pre-submission checklist.<\/li>\n\n\n\n<li><strong>Applying AA modifier to medically directed cases:<\/strong> Billing AA (personal performance) when the attending was medically directing a CRNA creates compliance exposure that a corrected claim alone won&rsquo;t fix. Use QK or QY as appropriate.<\/li>\n\n\n\n<li><strong>Incomplete ICD-10 crosswalk:<\/strong> Submitting a cervical spine procedure code paired with a non-specific or unrelated diagnosis code triggers medical necessity denials. Verify alignment between the surgical report and the diagnosis code before submitting.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Practices using EMR software for billing can configure claim validation rules that flag missing modifiers, mismatched diagnosis codes, and incomplete time documentation before a claim leaves the system. Systematic pre-submission edits eliminate the majority of these errors, and the same claims management workflows apply across every anesthesia code in the cervical spine family, not just 00604.<\/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-00731\/\">CPT code 00731 \u2014 Anesthesia billing for upper GI endoscopy<\/a><\/li>\n\n\n<li><a href=\"https:\/\/pabau.com\/procedure-codes\/cpt-code-00620\/\">CPT Code 00620 \u2014 Understanding Thoracic Anesthesia<\/a><\/li>\n\n\n<li><a href=\"https:\/\/pabau.com\/procedure-codes\/cpt-code-00625\/\">CPT Code 00625 \u2014 Anesthesia for thoracic spine procedures<\/a><\/li>\n\n\n<li><a href=\"https:\/\/pabau.com\/procedure-codes\/cpt-code-00630\/\">CPT code 00630 \u2014 Lumbar region anesthesia<\/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                    Reduce anesthesia billing errors before they become denials                <\/h3>\n\n                <p class=\"description\">\n                    Pabau&rsquo;s claims management tools help anesthesia and surgical practices build pre-submission validation workflows, attach the right modifiers, and track claim status across multiple payers. See how it works for your practice.                <\/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 workflow dashboard\"\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 00604 is straightforward when the documentation supports it, and expensive to get wrong when it does not. The sitting position qualifier reflects a meaningful increase in anesthetic complexity that adds 3 base units over sibling code 00600, supports the use of additional qualifying circumstance codes, and requires explicit position documentation in every anesthesia record.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Practices that build the 00604 documentation checklist into their anesthesia record templates, and configure pre-submission claim edits for modifier and diagnosis alignment, see significantly fewer denials on cervical spine cases.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Pabau&rsquo;s healthcare practice management workflows support the structured documentation and billing validation that keeps these claims clean. To see how those tools apply to your anesthesia billing operation, <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 the anesthesia billing rules for another joint procedure?<\/strong> CPT code <a href=\"https:\/\/pabau.com\/procedure-codes\/cpt-code-01382\/\">01382<\/a> covers knee arthroscopy anesthesia, with a base-unit and modifier structure similar to cervical spine 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=\"#54B2D3\" \/>\n                                <\/svg>\n                            <\/div>\n                            <p><strong>Billing anesthesia for a different procedure type?<\/strong> CPT code <a href=\"https:\/\/pabau.com\/procedure-codes\/cpt-code-00873\/\">00873<\/a> breaks down the anesthesia billing rules for lithotripsy, another unit-based anesthesia claim.<\/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 the code for upper-extremity vascular anesthesia?<\/strong> CPT code <a href=\"https:\/\/pabau.com\/procedure-codes\/cpt-code-01770\/\">01770<\/a> covers anesthesia for upper arm and elbow artery procedures.<\/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-1784795246004\"><h3 class=\"schema-faq-question\">What is CPT code 00604 used for?<\/h3> <p class=\"schema-faq-answer\">CPT code 00604 is used to bill anesthesia services for procedures performed on the cervical spine and spinal cord when the patient is in the sitting (upright or beach chair) position. It applies to procedures such as posterior cervical fusion, cervical laminoplasty, and spinal cord tumor resection performed with the patient upright. The sitting position qualifier distinguishes it from sibling code 00600, which covers cervical spine anesthesia in other positions.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1784795246005\"><h3 class=\"schema-faq-question\">How many base units does CPT 00604 have?<\/h3> <p class=\"schema-faq-answer\">CPT 00604 is assigned 13 ASA base units per the ASA Relative Value Guide. This is 3 units more than sibling code 00600 (10 units), reflecting the additional complexity of managing anesthesia with the patient in the sitting position. Verify the current base unit value against the applicable ASA guide edition, as payer contracts may differ.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1784795246006\"><h3 class=\"schema-faq-question\">What is the difference between CPT 00600 and 00604?<\/h3> <p class=\"schema-faq-answer\">CPT 00600 covers anesthesia for cervical spine and cord procedures \u00ab\u00a0not otherwise specified,\u00a0\u00bb used when the patient is in prone, supine, or lateral decubitus position. CPT 00604 applies specifically when the patient is in the sitting (beach chair) position. The sitting position introduces venous air embolism risk and hemodynamic instability, which justifies the 3 additional base units (13 vs. 10). The anesthesia record must explicitly document the sitting position to support billing 00604.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1784795246007\"><h3 class=\"schema-faq-question\">How is anesthesia reimbursement calculated for CPT 00604?<\/h3> <p class=\"schema-faq-answer\">Total reimbursement = (base units + time units + physical status units) x conversion factor. For CPT 00604, base units are 13. Time units are typically calculated at 1 unit per 15 minutes of anesthesia time. Physical status units (P3 = 1 unit, P4 = 2 units, P5 = 3 units) apply for commercial payers but not Medicare. The conversion factor is set annually by CMS for Medicare and by contract for commercial payers; check your MAC&rsquo;s locality-adjusted rate for the current year.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1784795246008\"><h3 class=\"schema-faq-question\">What documentation is required to bill CPT 00604?<\/h3> <p class=\"schema-faq-answer\">Required documentation includes: pre-anesthesia evaluation with ASA physical status classification, explicit notation of the sitting\/upright patient position, induction and emergence times to the nearest minute, intraoperative monitoring parameters, attending anesthesiologist attestation (for medically directed cases, all seven CMS-required activities), qualifying circumstance documentation if add-on codes are billed, and a post-anesthesia evaluation. Missing any of these elements is one of the most common causes of claim denial for cervical spine anesthesia cases.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1784795246009\"><h3 class=\"schema-faq-question\">Does Medicare recognize physical status modifier unit add-ons for CPT 00604?<\/h3> <p class=\"schema-faq-answer\">No. Medicare does not add reimbursement units for physical status modifiers P1 through P5. The modifier must still appear on the Medicare claim for reporting and auditing purposes, but it does not affect the dollar amount paid. Commercial payers vary; many do recognize unit add-ons for P3, P4, and P5, though recognition of P4 and P5 is not universal. Always verify physical status modifier payment rules with each commercial payer before submitting.<\/p> <\/div> <\/div>\n","protected":false},"excerpt":{"rendered":"<p>CPT code 00604 is the anesthesia code for cervical spine and cord procedures performed with the patient in the sitting, or beach chair, position. The position qualifier matters for billing because it carries 3 more ASA base units than sibling code 00600, and payers expect the anesthesia record to document the position explicitly before reimbursing [&hellip;]<\/p>\n","protected":false},"author":77,"featured_media":162285,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_yoast_wpseo_linkdex":"91","_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":[4162,3259,1602,4164,1658],"class_list":["post-162286","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-billing-codes","category-cpt-codes","tag-anesthesia-billing","tag-cervical-spine","tag-cpt-modifiers","tag-crna","tag-spine-surgery-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 00604: Cervical spine anesthesia in sitting position<\/title>\n<meta name=\"description\" content=\"CPT code 00604 covers anesthesia for cervical spine procedures with the patient sitting. See base units, billing formula, and 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\/fr\/procedure-codes\/cpt-code-00604\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"CPT Code 00604: Cervical spine anesthesia in sitting position\" \/>\n<meta property=\"og:description\" content=\"CPT code 00604 covers anesthesia for cervical spine procedures with the patient sitting. 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The sitting position qualifier distinguishes it from sibling code 00600, which covers cervical spine anesthesia in other positions.","inLanguage":"fr-FR"},"inLanguage":"fr-FR"},{"@type":"Question","@id":"https:\/\/pabau.com\/fr\/procedure-codes\/cpt-code-00604\/#faq-question-1784795246005","position":2,"url":"https:\/\/pabau.com\/fr\/procedure-codes\/cpt-code-00604\/#faq-question-1784795246005","name":"How many base units does CPT 00604 have?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"CPT 00604 is assigned 13 ASA base units per the ASA Relative Value Guide. This is 3 units more than sibling code 00600 (10 units), reflecting the additional complexity of managing anesthesia with the patient in the sitting position. Verify the current base unit value against the applicable ASA guide edition, as payer contracts may differ.","inLanguage":"fr-FR"},"inLanguage":"fr-FR"},{"@type":"Question","@id":"https:\/\/pabau.com\/fr\/procedure-codes\/cpt-code-00604\/#faq-question-1784795246006","position":3,"url":"https:\/\/pabau.com\/fr\/procedure-codes\/cpt-code-00604\/#faq-question-1784795246006","name":"What is the difference between CPT 00600 and 00604?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"CPT 00600 covers anesthesia for cervical spine and cord procedures \"not otherwise specified,\" used when the patient is in prone, supine, or lateral decubitus position. CPT 00604 applies specifically when the patient is in the sitting (beach chair) position. The sitting position introduces venous air embolism risk and hemodynamic instability, which justifies the 3 additional base units (13 vs. 10). The anesthesia record must explicitly document the sitting position to support billing 00604.","inLanguage":"fr-FR"},"inLanguage":"fr-FR"},{"@type":"Question","@id":"https:\/\/pabau.com\/fr\/procedure-codes\/cpt-code-00604\/#faq-question-1784795246007","position":4,"url":"https:\/\/pabau.com\/fr\/procedure-codes\/cpt-code-00604\/#faq-question-1784795246007","name":"How is anesthesia reimbursement calculated for CPT 00604?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"Total reimbursement = (base units + time units + physical status units) x conversion factor. For CPT 00604, base units are 13. Time units are typically calculated at 1 unit per 15 minutes of anesthesia time. Physical status units (P3 = 1 unit, P4 = 2 units, P5 = 3 units) apply for commercial payers but not Medicare. The conversion factor is set annually by CMS for Medicare and by contract for commercial payers; check your MAC's locality-adjusted rate for the current year.","inLanguage":"fr-FR"},"inLanguage":"fr-FR"},{"@type":"Question","@id":"https:\/\/pabau.com\/fr\/procedure-codes\/cpt-code-00604\/#faq-question-1784795246008","position":5,"url":"https:\/\/pabau.com\/fr\/procedure-codes\/cpt-code-00604\/#faq-question-1784795246008","name":"What documentation is required to bill CPT 00604?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"Required documentation includes: pre-anesthesia evaluation with ASA physical status classification, explicit notation of the sitting\/upright patient position, induction and emergence times to the nearest minute, intraoperative monitoring parameters, attending anesthesiologist attestation (for medically directed cases, all seven CMS-required activities), qualifying circumstance documentation if add-on codes are billed, and a post-anesthesia evaluation. Missing any of these elements is one of the most common causes of claim denial for cervical spine anesthesia cases.","inLanguage":"fr-FR"},"inLanguage":"fr-FR"},{"@type":"Question","@id":"https:\/\/pabau.com\/fr\/procedure-codes\/cpt-code-00604\/#faq-question-1784795246009","position":6,"url":"https:\/\/pabau.com\/fr\/procedure-codes\/cpt-code-00604\/#faq-question-1784795246009","name":"Does Medicare recognize physical status modifier unit add-ons for CPT 00604?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"No. Medicare does not add reimbursement units for physical status modifiers P1 through P5. The modifier must still appear on the Medicare claim for reporting and auditing purposes, but it does not affect the dollar amount paid. Commercial payers vary; many do recognize unit add-ons for P3, P4, and P5, though recognition of P4 and P5 is not universal. Always verify physical status modifier payment rules with each commercial payer before submitting.","inLanguage":"fr-FR"},"inLanguage":"fr-FR"}]}},"yoast":{"focus_keyword":"CPT code 00604","seo_title":"CPT Code 00604: Cervical spine anesthesia in sitting position","meta_description":"CPT code 00604 covers anesthesia for cervical spine procedures with the patient sitting. See base units, billing formula, and modifiers.","content_score":"30","is_cornerstone":"","related_keyphrases":[{"keyword":"anesthesia base units","score":72},{"keyword":"physical status modifiers anesthesia","score":61},{"keyword":"cervical spine anesthesia billing","score":67}]},"_links":{"self":[{"href":"https:\/\/pabau.com\/fr\/wp-json\/wp\/v2\/posts\/162286","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=162286"}],"version-history":[{"count":4,"href":"https:\/\/pabau.com\/fr\/wp-json\/wp\/v2\/posts\/162286\/revisions"}],"predecessor-version":[{"id":181595,"href":"https:\/\/pabau.com\/fr\/wp-json\/wp\/v2\/posts\/162286\/revisions\/181595"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/pabau.com\/fr\/wp-json\/wp\/v2\/media\/162285"}],"wp:attachment":[{"href":"https:\/\/pabau.com\/fr\/wp-json\/wp\/v2\/media?parent=162286"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/pabau.com\/fr\/wp-json\/wp\/v2\/categories?post=162286"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/pabau.com\/fr\/wp-json\/wp\/v2\/tags?post=162286"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}