{"id":175983,"date":"2026-08-12T08:46:31","date_gmt":"2026-08-12T08:46:31","guid":{"rendered":"https:\/\/pabau.com\/?p=175983"},"modified":"2026-08-12T08:46:35","modified_gmt":"2026-08-12T08:46:35","slug":"cpt-code-21182","status":"publish","type":"post","link":"https:\/\/pabau.com\/nl\/procedure-codes\/cpt-code-21182\/","title":{"rendered":"CPT Code 21182: Cranial bone tumor reconstruction billing"},"content":{"rendered":"\n<script type=\"application\/ld+json\">{\"@context\":\"https:\/\/schema.org\",\"@type\":\"MedicalWebPage\",\"headline\":\"CPT Code 21182: Cranial bone tumor reconstruction billing\",\"description\":\"CPT Code 21182 covers reconstruction of the orbital walls, rims, forehead, and nasoethmoid complex following intra- and extracranial excision of a benign tumor of cranial bone, with a total bone graft area under 40 sq cm. Reference guide for billing, RVUs, ICD-10 crosswalk, and modifiers.\",\"url\":\"https:\/\/pabau.com\/procedure-codes\/cpt-code-21182\/\",\"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\":\"2026-08-07\",\"dateModified\":\"2026-08-12\"}<\/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 21182 covers reconstruction of the orbital walls, rims, forehead, and nasoethmoid complex after a benign cranial bone tumor is removed.<\/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>Fibrous dysplasia is the example named in the descriptor, so this is not a code for trauma, congenital deformity, or cosmetic surgery.<\/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>Codes 21182, 21183, and 21184 share one descriptor and differ only by total bone graft area, measured in square centimeters.<\/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>Medicare pays roughly $1,849 nationally for CPT 21182 in 2026, from 55.36 total RVUs and a 90-day global period.<\/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>Practice management software like Pabau keeps the operative note, the pathology result, and the claim on a single patient record.<\/p>\n                        <\/div>\n                                                <\/div>\n        <\/div>\n    \n\n\n<p class=\"wp-block-paragraph\">CPT Code 21182 covers reconstruction of the orbital walls, rims, forehead, and nasoethmoid complex after a benign tumor of cranial bone has been excised. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Fibrous dysplasia is the example the code itself names. It is not a general craniofacial trauma or deformity code, so a trauma case or a cosmetic case needs a different code entirely.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The American Medical Association (AMA) maintains the CPT code set. Its descriptor for 21182 is dense. Here it is verbatim, in order, split into the four parts a coder actually checks.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>What is rebuilt.<\/strong> <em>Reconstruction of orbital walls, rims, forehead, nasoethmoid complex<\/em><\/li>\n\n\n\n<li><strong>What it follows.<\/strong> <em>following intra- and extracranial excision of benign tumor of cranial bone (eg, fibrous dysplasia),<\/em><\/li>\n\n\n\n<li><strong>What it is rebuilt with.<\/strong> <em>with multiple autografts (includes obtaining grafts);<\/em><\/li>\n\n\n\n<li><strong>The size limit for 21182.<\/strong> <em>total area of bone grafting less than 40 sq cm<\/em><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">The code sits in the Repair, Revision, and\/or Reconstruction Procedures on the Head section of the musculoskeletal chapter.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Three details decide whether 21182 is the right choice. First, the pathology has to be a benign tumor of cranial bone, confirmed on imaging or histology. Second, the excision has to have crossed both the intracranial and extracranial planes. Third, the rebuild uses multiple autografts, and the total graft area measures less than 40 sq cm.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Harvesting those grafts is written into the descriptor. That work is already paid for, so a separate bone graft harvest code will be bundled and denied.<\/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\">Detail<\/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\">Code number<\/td>\n<td style=\"padding:12px 16px;color:#374151\">21182<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0;background:#F9FAFB\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">CPT section<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Repair, Revision, and\/or Reconstruction Procedures on the Head<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">Surgery type<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Craniofacial reconstruction (open)<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0;background:#F9FAFB\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">Area reconstructed<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Orbital walls, rims, forehead, nasoethmoid complex<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">Indication<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Follows intra- and extracranial excision of a benign cranial bone tumor, such as fibrous dysplasia<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0;background:#F9FAFB\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">Graft material<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Multiple autografts, with graft harvest included in the code<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">Size threshold<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Total area of bone grafting less than 40 sq cm<\/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\">090 (90 days)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n\n\n<p class=\"wp-block-paragraph\">For <a href=\"https:\/\/pabau.com\/blog\/plastic-surgery-practice-emr-software\/\">plastic surgery documentation<\/a> teams, the graft language is the part to watch. Code 21182 assumes the patient&#8217;s own bone, harvested in the same session. A forehead and supraorbital rim rebuild using allograft or prosthetic material belongs to <a href=\"https:\/\/pabau.com\/procedure-codes\/cpt-code-21179\/\">CPT code 21179<\/a> instead.<\/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-21182-rvu-values-and-medicare-payment-rates\" class=\"wp-block-heading\">CPT Code 21182 RVU values and Medicare payment rates<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">CPT Code 21182 carries 55.36 total relative value units (RVUs) in the 2026 Medicare Physician Fee Schedule, worth roughly $1,849 nationally. Those values come from the Centers for Medicare and Medicaid Services (CMS) and change every January. Check them against the <a href=\"https:\/\/www.cms.gov\/medicare\/physician-fee-schedule\/search\/overview\" target=\"_blank\" rel=\"nofollow noopener\">CMS Physician Fee Schedule lookup tool<\/a> before you bill.<\/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\">RVU component<\/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\">Value (2026)<\/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\">What it represents<\/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\">Work RVU (wRVU)<\/td>\n<td style=\"padding:12px 16px;text-align:center;color:#374151\">31.77<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Physician time, skill, and intensity<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0;background:#F9FAFB\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">Practice expense RVU (PE)<\/td>\n<td style=\"padding:12px 16px;text-align:center;color:#374151\">17.69<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Overhead, equipment, and staff costs<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">Malpractice RVU (MP)<\/td>\n<td style=\"padding:12px 16px;text-align:center;color:#374151\">5.90<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Professional liability cost allocation<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0;background:#F9FAFB\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">Total RVU<\/td>\n<td style=\"padding:12px 16px;text-align:center;color:#374151\">55.36<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Sum of all three components<\/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;text-align:center;color:#374151\">$33.4009<\/td>\n<td style=\"padding:12px 16px;color:#374151\">CMS dollar multiplier outside a qualifying APM<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0;background:#F9FAFB\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">Estimated national Medicare rate<\/td>\n<td style=\"padding:12px 16px;text-align:center;color:#374151\">~$1,849<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Total RVU multiplied by the conversion factor<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">Global period<\/td>\n<td style=\"padding:12px 16px;text-align:center;color:#374151\">090<\/td>\n<td style=\"padding:12px 16px;color:#374151\">90 days of related follow-up care included<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Two conversion factors apply in 2026.<\/strong> Clinicians in a qualifying alternative payment model bill against $33.5675. Everyone else bills against $33.4009. Practice expense is identical in facility and non-facility settings for this code, so the national estimate does not shift with the site of service.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Geographic Practice Cost Indices (GPCIs) still move the number by locality. A craniofacial surgeon in San Francisco is paid differently from one in rural Mississippi. Run the locality figures before you quote a rate to a patient or a payer.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">For <a href=\"https:\/\/pabau.com\/procedure-codes\/\">CPT code billing guides<\/a> across specialties, the arithmetic never changes. Total RVU multiplied by the conversion factor gives the Medicare base payment. Commercial contracts are usually written as a percentage of that figure, so the Medicare rate is where any contract analysis starts.<\/p>\n\n\n\n<h2 id=\"h-icd-10-cm-codes-used-with-cpt-code-21182\" class=\"wp-block-heading\">ICD-10-CM codes used with CPT Code 21182<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">The diagnosis on a 21182 claim has to name a benign tumor of cranial bone. That is what the procedure code describes, so a fracture or congenital deformity code will not support it. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Orbital repair after an injury is billed as <a href=\"https:\/\/pabau.com\/procedure-codes\/cpt-code-21407\/\">CPT code 21407<\/a> instead. Cosmetic intent does not meet medical necessity either, and claims without a matching diagnosis are denied.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Pathology usually settles the choice. The <a href=\"https:\/\/www.aapc.com\/codify\/icd-10-crosswalk.aspx\" target=\"_blank\" rel=\"nofollow noopener\">AAPC CPT-to-ICD-10 crosswalk<\/a> is a reasonable starting point, and the table below groups the codes most often paired with this procedure.<\/p>\n\n\n\n<table style=\"width:100%;border-collapse:separate;border-spacing:0;border-radius:12px;overflow:hidden;font-size:15px;line-height:1.5;margin:1.5em 0 2em;box-shadow:0 2px 12px rgba(0,0,0,0.08)\">\n<thead>\n<tr>\n<th style=\"background:#121D36;color:#fff;padding:14px 16px;text-align:left;font-weight:600;font-size:14px;letter-spacing:0.3px;border-bottom:2px solid #2BADD4\">ICD-10-CM code<\/th>\n<th style=\"background:#121D36;color:#fff;padding:14px 16px;text-align:left;font-weight:600;font-size:14px;letter-spacing:0.3px;border-bottom:2px solid #2BADD4\">Description<\/th>\n<th style=\"background:#121D36;color:#fff;padding:14px 16px;text-align:left;font-weight:600;font-size:14px;letter-spacing:0.3px;border-bottom:2px solid #2BADD4\">When it applies<\/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\">D16.4<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Benign neoplasm of bones of skull and face<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Osteoma, ossifying fibroma, and other benign cranial bone tumors<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0;background:#F9FAFB\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">M85.08<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Fibrous dysplasia (monostotic), other site<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Single-bone fibrous dysplasia of the skull or facial bones<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">M85.09<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Fibrous dysplasia (monostotic), multiple sites<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Monostotic disease documented at more than one site<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0;background:#F9FAFB\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">M85.00<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Fibrous dysplasia (monostotic), unspecified site<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Use only when the record does not name the bone<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">Q78.1<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Polyostotic fibrous dysplasia<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Multi-bone disease, including McCune-Albright syndrome<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0;background:#F9FAFB\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">M85.58<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Aneurysmal bone cyst, other site<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Benign cystic lesion of a cranial or facial bone<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">D48.0<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Neoplasm of uncertain behavior of bone and articular cartilage<\/td>\n<td style=\"padding:12px 16px;color:#374151\">A lesion whose behavior pathology has not yet settled<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0;background:#F9FAFB\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">H05.321<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Deformity of right orbit due to bone disease<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Secondary code for orbital involvement, with laterality required<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n\n\n<p class=\"wp-block-paragraph\">List the tumor diagnosis first, then add the functional consequence as a secondary code. Orbital displacement, proptosis, or a change in vision explains why the reconstruction was needed rather than optional. Accurate <a href=\"https:\/\/pabau.com\/blog\/medical-forms-at-your-healthcare-practice\/\">clinical documentation<\/a> that ties the pre-operative diagnosis to the operative findings keeps these claims out of the appeals queue.<\/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>Measure the total bone graft area in square centimeters while you are still in the operating room, and write the number in the note. That figure is the only thing separating 21182 from 21183 and 21184. Each step up the range is worth about $150, and a number reconstructed from memory afterward will not survive an audit.<\/p>\n            <\/div>\n        <\/div>\n    \n\n\n<h2 id=\"h-applicable-modifiers-for-cpt-21182\" class=\"wp-block-heading\">Applicable modifiers for CPT 21182<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Modifiers tell the payer what happened in the operating room that the code alone cannot. The wrong one, or a missing one, triggers downcoding or an outright denial. These are the modifiers that come up most often on cranial bone tumor reconstructions.<\/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\">Name<\/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 apply<\/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\">22<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Increased procedural services<\/td>\n<td style=\"padding:12px 16px;color:#374151\">When the case runs well beyond a typical 21182, such as dense scarring from a failed earlier reconstruction. Attach a note quantifying the extra work.<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0;background:#F9FAFB\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">51<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Multiple procedures<\/td>\n<td style=\"padding:12px 16px;color:#374151\">When 21182 is performed alongside another procedure in the same session by the same surgeon. The secondary code is reduced by 50%.<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">62<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Two surgeons<\/td>\n<td style=\"padding:12px 16px;color:#374151\">When a neurosurgeon and a craniofacial surgeon each perform a distinct part of the intracranial and extracranial work. Both report 21182 with modifier 62.<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0;background:#F9FAFB\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">66<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Surgical team<\/td>\n<td style=\"padding:12px 16px;color:#374151\">When three or more surgeons from different specialties work as a team on one procedure. Each surgeon documents their own role.<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">80 or 82<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Assistant surgeon<\/td>\n<td style=\"padding:12px 16px;color:#374151\">When a second surgeon assists rather than performing a distinct portion. Use 82 when a qualified resident was not available.<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0;background:#F9FAFB\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">58<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Staged or related procedure<\/td>\n<td style=\"padding:12px 16px;color:#374151\">When a planned second-stage reconstruction falls inside the 90-day global period.<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">78<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Unplanned return to the operating room<\/td>\n<td style=\"padding:12px 16px;color:#374151\">When a complication sends the patient back to the operating room during the global period.<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0;background:#F9FAFB\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">79<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Unrelated procedure during the global period<\/td>\n<td style=\"padding:12px 16px;color:#374151\">When the same surgeon performs something unrelated in the 90 days after 21182.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>A note on bilateral cases:<\/strong> code 21182 already describes a reconstruction spanning the orbital walls, rims, forehead, and nasoethmoid complex. Bilateral reporting is rarely appropriate here. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Many payers also want LT and RT on separate lines rather than modifier 50 for head and face procedures. Check the payer policy and current National Correct Coding Initiative (NCCI) guidance first.<\/p>\n\n\n\n<h2 id=\"h-fee-schedule-and-payer-coverage\" class=\"wp-block-heading\">Fee schedule and payer coverage<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Medicare has no national coverage determination for CPT Code 21182. Coverage sits with your Medicare Administrative Contractor (MAC), which applies the reconstructive-versus-cosmetic test to the case in front of it.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Several MACs publish a Cosmetic and Reconstructive Surgery local coverage determination that sets out that test, including Palmetto GBA&#8217;s <a href=\"https:\/\/www.cms.gov\/medicare-coverage-database\/view\/lcd.aspx?lcdId=33428\" target=\"_blank\" rel=\"nofollow noopener\">L33428<\/a>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Removing a benign cranial bone tumor and rebuilding the orbit is reconstructive by nature, so coverage rarely turns on policy language. It turns on documentation. The pathology report and the operative note carry most of the weight.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Your MAC&#8217;s billing and coding article confirms which diagnosis codes it accepts. Those covered diagnosis lists vary between contractors. Some are written around trauma and ablative surgery, and do not list benign tumor diagnoses at all. Confirm your own MAC&#8217;s list before billing.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Practice management software like Pabau helps here. Coverage rules set up inside <a href=\"https:\/\/pabau.com\/features\/claims-management-software\/\">claims management software<\/a> flag any claim missing a required diagnosis code before it goes out. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Teams running <a href=\"https:\/\/pabau.com\/blog\/best-plastic-surgery-software\/\">surgical practice software<\/a> usually build these pre-submission checks around their highest-value codes first.<\/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-21182\/automate-claims-through-healthcode.webp\" alt=\"Pabau checkout screen alongside a completed insurer invoice\"\/><figcaption class=\"wp-element-caption\"><em>Pabau builds the insurer invoice as the appointment closes, so a high-value surgical claim leaves with its codes and amounts already attached.<\/em><\/figcaption><\/figure>\n\n\n\n<div style=\"height:35px;width:800px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\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\">Payer or setting<\/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\">Coverage status<\/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\">Key requirements<\/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\">Medicare (traditional)<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Covered as reconstructive<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Benign cranial bone tumor diagnosis, pathology report, operative note. No NCD applies, so MAC policy governs.<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0;background:#F9FAFB\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">Medicare Advantage<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Covered, with plan rules on top<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Prior authorization is common, and plans may apply their own reconstructive policy.<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">Medicaid (state programs)<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Varies by state<\/td>\n<td style=\"padding:12px 16px;color:#374151\">The reconstructive versus cosmetic test still applies. Check state policy before scheduling.<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0;background:#F9FAFB\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">Commercial insurers<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Generally covered as reconstructive<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Prior authorization is typical. Many plans list 21182 in a cosmetic and reconstructive procedures policy.<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">Facility (hospital)<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Separate facility payment<\/td>\n<td style=\"padding:12px 16px;color:#374151\">The surgeon bills the professional component and the hospital bills its own claim.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Prior authorization:<\/strong> requirements vary by payer and by plan year. Never assume, and never rely on last year&#8217;s answer. Most commercial plans require authorization for craniofacial reconstruction at this scale, and Medicare Advantage plans often add steps that traditional Medicare does not.<\/p>\n\n\n\n<h2 id=\"h-documentation-requirements-for-cpt-21182\" class=\"wp-block-heading\">Documentation requirements for CPT 21182<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Payers audit CPT Code 21182 because it pays well and rests on facts only the operative record can supply. Each element below answers a question a reviewer will ask. Leaving one out is usually enough to trigger a medical records request.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Pathology confirmation:<\/strong> a histology or imaging report naming the benign cranial bone tumor. Fibrous dysplasia is the common finding, and it needs to be on record before the reconstruction is billed.<\/li>\n\n\n\n<li><strong>Excision detail:<\/strong> the note has to show that the excision crossed both the intracranial and extracranial planes. That is what separates this family from an external contouring procedure.<\/li>\n\n\n\n<li><strong>Graft area in square centimeters:<\/strong> record the total area of bone grafting. Under 40 sq cm is 21182, 40 to 80 sq cm is 21183, and more than 80 sq cm is 21184.<\/li>\n\n\n\n<li><strong>Structures reconstructed:<\/strong> name the orbital walls, rims, forehead, or nasoethmoid components that were rebuilt. A blanket phrase like craniofacial reconstruction will not do.<\/li>\n\n\n\n<li><strong>Donor sites:<\/strong> identify where each autograft came from. Harvest is included in the code, so the note supports the work without a separate charge.<\/li>\n\n\n\n<li><strong>Functional indication:<\/strong> say what the tumor was doing. Orbital displacement, proptosis, visual change, or sinus obstruction is what makes the case reconstructive rather than cosmetic.<\/li>\n\n\n\n<li><strong>Photographs:<\/strong> pre-operative images are standard for craniofacial cases, and many commercial plans want them attached to the authorization request.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Practices setting up <a href=\"https:\/\/pabau.com\/blog\/opening-a-cosmetic-surgery-clinic\/\">cosmetic surgery operations<\/a> should put these protocols in place before the first surgical case, not after the first denial. The difference between a clean claim and a 90-day appeal is usually how completely the note was written at the time of surgery.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Benign lesion excisions elsewhere in surgery follow the same pathology-first rule. Practices on <a href=\"https:\/\/pabau.com\/industry\/dermatology-emr-software\/\">dermatology EMR software<\/a> attach the histology report to the operative note for that reason. <a href=\"https:\/\/pabau.com\/blog\/do-med-spas-have-to-be-hipaa-compliant\/\">HIPAA compliance<\/a> matters just as much, since answering an audit means releasing patient records under privacy rules.<\/p>\n\n\n\n<h2 id=\"h-cpt-21182-vs-related-codes-21179-21180-21181-21183-and-21184\" class=\"wp-block-heading\">CPT 21182 vs. related codes: 21179, 21180, 21181, 21183, and 21184<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">This code family splits along two lines. What was rebuilt settles half the choice, and how much bone graft it took settles the other half. The table below sets the descriptors next to their 2026 Medicare values, so the stakes are visible.<\/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\">Descriptor (summary)<\/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\">Key distinction<\/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\">2026 national estimate<\/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\">21179<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Reconstruction of the entire or majority of the forehead and supraorbital rims, with allograft or prosthetic material<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Forehead and rims only, rebuilt with donor or synthetic material<\/td>\n<td style=\"padding:12px 16px;color:#374151\">40.21 RVU, ~$1,343<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0;background:#F9FAFB\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">21180<\/td>\n<td style=\"padding:12px 16px;color:#374151\">The same reconstruction, with autograft (includes obtaining grafts)<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Forehead and rims only, rebuilt with the patient&#8217;s own bone<\/td>\n<td style=\"padding:12px 16px;color:#374151\">44.78 RVU, ~$1,496<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">21181<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Reconstruction by contouring of a benign tumor of cranial bones (eg, fibrous dysplasia), extracranial<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Contouring from outside the skull, with no excision through the vault and no grafts<\/td>\n<td style=\"padding:12px 16px;color:#374151\">20.14 RVU, ~$673<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0;background:#F9FAFB\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\"><strong>21182<\/strong><\/td>\n<td style=\"padding:12px 16px;color:#374151\">Reconstruction of orbital walls, rims, forehead, nasoethmoid complex after intra- and extracranial excision of a benign cranial bone tumor, with multiple autografts<\/td>\n<td style=\"padding:12px 16px;color:#374151\"><strong>Total bone graft area less than 40 sq cm<\/strong><\/td>\n<td style=\"padding:12px 16px;color:#374151\"><strong>55.36 RVU, ~$1,849<\/strong><\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">21183<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Identical descriptor to 21182<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Total bone graft area greater than 40 sq cm and less than 80 sq cm<\/td>\n<td style=\"padding:12px 16px;color:#374151\">60.08 RVU, ~$2,007<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0;background:#F9FAFB\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">21184<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Identical descriptor to 21182<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Total bone graft area greater than 80 sq cm<\/td>\n<td style=\"padding:12px 16px;color:#374151\">64.50 RVU, ~$2,154<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>21182 vs. 21181:<\/strong> 21181 is a contouring procedure. The surgeon reshapes the affected bone from outside the skull, without opening the vault and without grafting. Code 21182 follows an excision that crossed into the cranial vault, then rebuilds the defect with the patient&#8217;s own bone. Nearly $1,200 separates the two, which is why payers audit the pair.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>21182 vs. 21183 and 21184:<\/strong> these three share one descriptor, word for word. Only the total area of bone grafting tells them apart, and <a href=\"https:\/\/pabau.com\/procedure-codes\/cpt-code-21184\/\">CPT code 21184<\/a> sits at the top of the range. If the operative note never states that area, a reviewer can default the claim to the lowest-paying code of the three.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/pabau.com\/blog\/best-medical-practice-management-software\/\">Practice management tools<\/a> that pull operative detail straight into the claim make this check quicker and harder to get wrong. Our guide to <a href=\"https:\/\/pabau.com\/procedure-codes\/cpt-code-21268\/\">CPT code 21268<\/a> covers the neighboring family of orbital codes.<\/p>\n\n\n\n<h2 id=\"h-cci-edits-and-bundling-rules\" class=\"wp-block-heading\">CCI edits and bundling rules<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">The National Correct Coding Initiative, run by CMS, decides which codes may be billed together. CPT Code 21182 has one bundling rule that matters more than the rest. The descriptor already includes obtaining the grafts.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Bundled into CPT 21182:<\/strong> bone graft harvest codes are included by descriptor, so reporting one alongside 21182 will hit an NCCI edit. Wound closure, layered repair, and surgical prep in the same field are part of the primary procedure too.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Reported separately:<\/strong> the tumor excision is its own code. Excision of an intra- and extracranial benign tumor of cranial bone is 61563, or 61564 when optic nerve decompression is performed. CPT then points coders to this reconstruction range for the rebuild that follows.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Modifier 59 and the X modifiers:<\/strong> a distinct procedure at a separate site in the same session may be billable on its own. Modifier 59, XS, or XE can apply. The record has to show the separate site or encounter. The NCCI Policy Manual is where you confirm whether an edit pair can be bypassed at all.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Hard edits:<\/strong> work always included in 21182, such as graft harvest and closure of the same field. No modifier unlocks these.<\/li>\n\n\n\n<li><strong>Soft edits:<\/strong> distinct procedures at different sites. Modifier 59, XS (separate structure), or XE (separate encounter) may apply.<\/li>\n\n\n\n<li><strong>Documentation for a bypass:<\/strong> a modifier only holds if the note names the separate site or session. Add that detail before the claim goes out, not after the denial arrives.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Building an edit check into claim scrubbing catches the common bundling errors automatically. That check belongs in <a href=\"https:\/\/pabau.com\/blog\/what-is-healthcare-revenue-cycle-management\/\">revenue cycle management<\/a>, well upstream of the appeals process. Teams running <a href=\"https:\/\/pabau.com\/industry\/plastic-surgery-emr\/\">plastic surgery EMR software<\/a> with pre-submission validation can flag these pairs before they turn into denial letters.<\/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 an NCCI check on CPT 21182 quarterly rather than annually. CMS updates the edit pairs four times a year, so a bundling rule that did not exist in January can be live by April. Start with the bone graft harvest codes, because that is where this code family collects most of its denials.<\/p>\n            <\/div>\n        <\/div>\n    \n\n\n<h2 id=\"h-how-pabau-keeps-the-operative-note-and-the-claim-together\" class=\"wp-block-heading\">How Pabau keeps the operative note and the claim together<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Most surgical teams write the operative note in one system and build the claim in another. The graft area, the donor sites, and the pathology result all live in the note. The coder sees a summary days later, and any detail that missed that summary has to be chased.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Pabau holds the clinical record, the documents, and the billing on one patient file. Structured operative templates prompt for the graft area in square centimeters and the confirmed tumor diagnosis while the surgeon is still writing. The pathology report attaches to the same record.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">When a payer requests records, your team pulls the note, the photographs, and the authorization from one file. A missing graft measurement or an unsupported diagnosis gets caught before submission, rather than 90 days later in an appeal.<\/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                    Simplify surgical billing workflows                <\/h3>\n\n                <p class=\"description\">\n                    Pabau helps plastic surgery and craniofacial practices manage procedure documentation, track claim status, and reduce coding errors across complex surgical cases. See how it fits 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 practice management software for surgical specialties\"\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 21182 rewards precision about two things. The first is what the surgeon removed, and the second is how much bone the rebuild took. Put the benign tumor diagnosis on the claim and the graft area in the note, and the rest of the coding follows.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Decide the code in the operating room, not at the billing desk. The measurement and the diagnosis cost nothing to record while the case is open, and a great deal to reconstruct once a payer asks. <a href=\"https:\/\/pabau.com\/book-demo\/\">Book a demo<\/a> to see how Pabau keeps surgical documentation and claims on one record.<\/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>Rebuilding the orbital rim or lower forehead?<\/strong> <a href=\"https:\/\/pabau.com\/procedure-codes\/cpt-code-21172\/\">CPT code 21172<\/a> covers the advancement and grafting procedure next door to this one.<\/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>Coding a midface reconstruction?<\/strong> <a href=\"https:\/\/pabau.com\/procedure-codes\/cpt-code-21159\/\">CPT code 21159<\/a> sets out the LeFort III billing rules, including graft documentation and the global period.<\/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>Treating a facial fracture instead?<\/strong> <a href=\"https:\/\/pabau.com\/procedure-codes\/cpt-code-21346\/\">CPT code 21346<\/a> covers open treatment of a nasomaxillary complex fracture, which is where trauma cases belong.<\/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>Chasing prior authorization before surgery?<\/strong> <a href=\"https:\/\/pabau.com\/templates\/medical-prior-authorization-form\/\">Medical prior authorization form<\/a> gives you a reusable request template for payer submissions.<\/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>Want operative notes written faster?<\/strong> <a href=\"https:\/\/pabau.com\/templates\/medical-notes\/\">Medical notes<\/a> shows how to structure a note so billable detail is captured at the time of care.<\/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-1786520000501\"><h3 class=\"schema-faq-question\">What does CPT Code 21182 cover?<\/h3> <p class=\"schema-faq-answer\">CPT Code 21182 covers reconstruction of the orbital walls, rims, forehead, and nasoethmoid complex after a benign tumor of cranial bone has been excised. Fibrous dysplasia is the example named in the descriptor. The rebuild uses multiple autografts, with harvest included, and a total bone graft area of less than 40 sq cm.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1786520000502\"><h3 class=\"schema-faq-question\">Is CPT 21182 covered by Medicare?<\/h3> <p class=\"schema-faq-answer\">Yes. Medicare covers CPT 21182 when the record shows a benign cranial bone tumor and a reconstruction that restores form or function. There is no national coverage determination for this code, so your Medicare Administrative Contractor decides. Several contractors apply a Cosmetic and Reconstructive Surgery local coverage determination, such as Palmetto GBA&#8217;s L33428.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1786520000503\"><h3 class=\"schema-faq-question\">What is the Medicare reimbursement rate for CPT 21182?<\/h3> <p class=\"schema-faq-answer\">CPT 21182 carries 55.36 total RVUs in 2026. Multiplied by the $33.4009 conversion factor, that gives a national estimate of about $1,849. Clinicians in a qualifying alternative payment model bill against $33.5675 instead. Geographic Practice Cost Indices adjust the final figure, so check your locality in the CMS Physician Fee Schedule lookup tool.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1786520000504\"><h3 class=\"schema-faq-question\">What is the difference between CPT 21182, 21183, and 21184?<\/h3> <p class=\"schema-faq-answer\">The three codes share an identical descriptor and differ only by the total area of bone grafting. Use 21182 when that area is less than 40 sq cm. Choose 21183 when it is greater than 40 sq cm and less than 80 sq cm. Anything greater than 80 sq cm is 21184.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1786520000505\"><h3 class=\"schema-faq-question\">How does CPT 21182 differ from CPT 21181?<\/h3> <p class=\"schema-faq-answer\">CPT 21181 is a contouring procedure. The surgeon reshapes a benign cranial bone tumor from outside the skull, without excising through the cranial vault and without bone grafts. CPT 21182 follows an intra- and extracranial excision and rebuilds the defect with multiple autografts. The payment difference is close to $1,200.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1786520000506\"><h3 class=\"schema-faq-question\">Can the bone graft harvest be billed separately with CPT 21182?<\/h3> <p class=\"schema-faq-answer\">No. The descriptor for 21182 already includes obtaining the grafts, so that work is paid for within the code. Reporting a separate graft harvest code on the same claim will trigger a National Correct Coding Initiative edit and be denied. Document the donor sites in the operative note instead.<\/p> <\/div> <\/div>\n","protected":false},"excerpt":{"rendered":"<p>CPT Code 21182 covers orbital and forehead reconstruction after benign cranial bone tumor excision. 2026 RVUs, ICD-10 codes, and modifiers.<\/p>\n","protected":false},"author":83,"featured_media":175980,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_yoast_wpseo_linkdex":"96","_yoast_wpseo_content_score":"60","_yoast_wpseo_is_cornerstone":"","_yoast_wpseo_keywordsynonyms":"[\"\",\"\",\"\",\"\"]","_yoast_wpseo_focuskw_text_input":"","_seo_original_html":"","footnotes":""},"categories":[1433,1546],"tags":[4116,1586,4102,1163],"class_list":["post-175983","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-billing-codes","category-cpt-codes","tag-billing-codes","tag-billing-guide","tag-cpt-code","tag-medical-billing"],"yoast_head":"<!-- This site is optimized with 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The rebuild uses multiple autografts, with harvest included, and a total bone graft area of less than 40 sq cm.\",\"inLanguage\":\"nl-NL\"},\"inLanguage\":\"nl-NL\"},{\"@type\":\"Question\",\"@id\":\"https:\\\/\\\/pabau.com\\\/nl\\\/procedure-codes\\\/cpt-code-21182\\\/#faq-question-1786520000502\",\"position\":2,\"url\":\"https:\\\/\\\/pabau.com\\\/nl\\\/procedure-codes\\\/cpt-code-21182\\\/#faq-question-1786520000502\",\"name\":\"Is CPT 21182 covered by Medicare?\",\"answerCount\":1,\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes. Medicare covers CPT 21182 when the record shows a benign cranial bone tumor and a reconstruction that restores form or function. There is no national coverage determination for this code, so your Medicare Administrative Contractor decides. 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She enjoys breaking down complex topics into clear, accessible content and has a soft spot for the often-overlooked aspects of clinic life. When she's not writing, she's exploring cafes, walking her dog, or spending time with friends and family.","url":"https:\/\/pabau.com\/nl\/blog\/author\/anja-dodevska\/"},{"@type":"Question","@id":"https:\/\/pabau.com\/nl\/procedure-codes\/cpt-code-21182\/#faq-question-1786520000501","position":1,"url":"https:\/\/pabau.com\/nl\/procedure-codes\/cpt-code-21182\/#faq-question-1786520000501","name":"What does CPT Code 21182 cover?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"CPT Code 21182 covers reconstruction of the orbital walls, rims, forehead, and nasoethmoid complex after a benign tumor of cranial bone has been excised. Fibrous dysplasia is the example named in the descriptor. The rebuild uses multiple autografts, with harvest included, and a total bone graft area of less than 40 sq cm.","inLanguage":"nl-NL"},"inLanguage":"nl-NL"},{"@type":"Question","@id":"https:\/\/pabau.com\/nl\/procedure-codes\/cpt-code-21182\/#faq-question-1786520000502","position":2,"url":"https:\/\/pabau.com\/nl\/procedure-codes\/cpt-code-21182\/#faq-question-1786520000502","name":"Is CPT 21182 covered by Medicare?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"Yes. Medicare covers CPT 21182 when the record shows a benign cranial bone tumor and a reconstruction that restores form or function. There is no national coverage determination for this code, so your Medicare Administrative Contractor decides. Several contractors apply a Cosmetic and Reconstructive Surgery local coverage determination, such as Palmetto GBA's L33428.","inLanguage":"nl-NL"},"inLanguage":"nl-NL"},{"@type":"Question","@id":"https:\/\/pabau.com\/nl\/procedure-codes\/cpt-code-21182\/#faq-question-1786520000503","position":3,"url":"https:\/\/pabau.com\/nl\/procedure-codes\/cpt-code-21182\/#faq-question-1786520000503","name":"What is the Medicare reimbursement rate for CPT 21182?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"CPT 21182 carries 55.36 total RVUs in 2026. Multiplied by the $33.4009 conversion factor, that gives a national estimate of about $1,849. Clinicians in a qualifying alternative payment model bill against $33.5675 instead. Geographic Practice Cost Indices adjust the final figure, so check your locality in the CMS Physician Fee Schedule lookup tool.","inLanguage":"nl-NL"},"inLanguage":"nl-NL"},{"@type":"Question","@id":"https:\/\/pabau.com\/nl\/procedure-codes\/cpt-code-21182\/#faq-question-1786520000504","position":4,"url":"https:\/\/pabau.com\/nl\/procedure-codes\/cpt-code-21182\/#faq-question-1786520000504","name":"What is the difference between CPT 21182, 21183, and 21184?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"The three codes share an identical descriptor and differ only by the total area of bone grafting. Use 21182 when that area is less than 40 sq cm. Choose 21183 when it is greater than 40 sq cm and less than 80 sq cm. Anything greater than 80 sq cm is 21184.","inLanguage":"nl-NL"},"inLanguage":"nl-NL"},{"@type":"Question","@id":"https:\/\/pabau.com\/nl\/procedure-codes\/cpt-code-21182\/#faq-question-1786520000505","position":5,"url":"https:\/\/pabau.com\/nl\/procedure-codes\/cpt-code-21182\/#faq-question-1786520000505","name":"How does CPT 21182 differ from CPT 21181?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"CPT 21181 is a contouring procedure. The surgeon reshapes a benign cranial bone tumor from outside the skull, without excising through the cranial vault and without bone grafts. CPT 21182 follows an intra- and extracranial excision and rebuilds the defect with multiple autografts. The payment difference is close to $1,200.","inLanguage":"nl-NL"},"inLanguage":"nl-NL"},{"@type":"Question","@id":"https:\/\/pabau.com\/nl\/procedure-codes\/cpt-code-21182\/#faq-question-1786520000506","position":6,"url":"https:\/\/pabau.com\/nl\/procedure-codes\/cpt-code-21182\/#faq-question-1786520000506","name":"Can the bone graft harvest be billed separately with CPT 21182?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"No. The descriptor for 21182 already includes obtaining the grafts, so that work is paid for within the code. Reporting a separate graft harvest code on the same claim will trigger a National Correct Coding Initiative edit and be denied. Document the donor sites in the operative note instead.","inLanguage":"nl-NL"},"inLanguage":"nl-NL"}]}},"yoast":{"focus_keyword":"CPT Code 21182","seo_title":"CPT Code 21182: Cranial bone tumor reconstruction billing","meta_description":"CPT Code 21182 covers orbital and forehead reconstruction after benign cranial bone tumor excision. %%currentyear%% RVUs, ICD-10 codes, and modifiers.","content_score":"60","is_cornerstone":"","related_keyphrases":[{"keyword":"orbital wall reconstruction CPT","score":72},{"keyword":"CPT 21182 RVU","score":61},{"keyword":"craniofacial reconstruction CPT code","score":61}]},"_links":{"self":[{"href":"https:\/\/pabau.com\/nl\/wp-json\/wp\/v2\/posts\/175983","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pabau.com\/nl\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/pabau.com\/nl\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/pabau.com\/nl\/wp-json\/wp\/v2\/users\/83"}],"replies":[{"embeddable":true,"href":"https:\/\/pabau.com\/nl\/wp-json\/wp\/v2\/comments?post=175983"}],"version-history":[{"count":4,"href":"https:\/\/pabau.com\/nl\/wp-json\/wp\/v2\/posts\/175983\/revisions"}],"predecessor-version":[{"id":176337,"href":"https:\/\/pabau.com\/nl\/wp-json\/wp\/v2\/posts\/175983\/revisions\/176337"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/pabau.com\/nl\/wp-json\/wp\/v2\/media\/175980"}],"wp:attachment":[{"href":"https:\/\/pabau.com\/nl\/wp-json\/wp\/v2\/media?parent=175983"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/pabau.com\/nl\/wp-json\/wp\/v2\/categories?post=175983"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/pabau.com\/nl\/wp-json\/wp\/v2\/tags?post=175983"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}