{"id":183256,"date":"2026-08-18T08:54:03","date_gmt":"2026-08-18T08:54:03","guid":{"rendered":"https:\/\/pabau.com\/?p=183256"},"modified":"2026-08-18T08:54:06","modified_gmt":"2026-08-18T08:54:06","slug":"cpt-code-21554","status":"publish","type":"post","link":"https:\/\/pabau.com\/fr\/procedure-codes\/cpt-code-21554\/","title":{"rendered":"CPT code 21554: Excision of soft tissue tumor, neck or anterior thorax"},"content":{"rendered":"\n<script type=\"application\/ld+json\">{\"@context\":\"https:\/\/schema.org\",\"@type\":\"MedicalWebPage\",\"headline\":\"CPT code 21554: Excision of soft tissue tumor, neck or anterior thorax\",\"description\":\"CPT code 21554 covers excision of a subfascial soft tissue tumor of the neck or anterior thorax measuring 5 cm or greater. Learn billing guidelines, modifiers, RVUs, and 2026 Medicare rates.\",\"url\":\"https:\/\/pabau.com\/procedure-codes\/cpt-code-21554\/\",\"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\":\"2026-08-18\"}<\/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 21554 covers excision of a subfascial soft tissue tumor of the neck or anterior thorax. The specimen must measure 5 cm or greater.<\/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 closest miscode is 21556, which covers the same subfascial depth for tumors under 5 cm. Picking 21552 or 21555 instead is a depth error, since both are subcutaneous codes.<\/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>Documentation must specify tumor size, anatomical depth, and resection dimensions in the operative report to support a 21554 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=\"#3D3D46\" \/>\n                                <\/svg>\n                            <\/div>\n                            <p>Claims management software like Pabau can validate the code against the operative note and scrub the claim before submission.<\/p>\n                        <\/div>\n                                                <\/div>\n        <\/div>\n    \n\n\n<p class=\"wp-block-paragraph\">CPT code 21554 covers excision of a subfascial soft tissue tumor of the neck or anterior thorax measuring 5 cm or greater. Both facts have to appear in the operative note before the code holds up.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The American Medical Association (AMA) maintains the CPT code set. Its descriptor for 21554 reads: <em>Excision, tumor, soft tissue of neck or anterior thorax, subfascial (e.g., intramuscular); 5 cm or greater.<\/em> The code sits in the Musculoskeletal System section, under Neck or Thorax > Excision.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">It applies to benign tumors such as lipomas and fibromas, and to malignant soft tissue tumors of the deep neck or anterior chest. Either way, the resected area has to meet both the size and the depth criteria.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Below you&rsquo;ll find code selection against the adjacent codes, ICD-10 pairing, applicable modifiers, 2026 Medicare reimbursement, and the documentation a clean claim needs. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Excisions of this size land most often in plastic surgery and dermatology practices. The same size-and-depth rules shape billing in <a href=\"https:\/\/pabau.com\/industry\/plastic-surgery-emr\/\" rel=\"noopener\">plastic surgery EMR<\/a> and <a href=\"https:\/\/pabau.com\/industry\/dermatology-emr-software\/\" rel=\"noopener\">dermatology EMR<\/a> workflows.<\/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-21554-full-description-and-classification\" class=\"wp-block-heading\">CPT 21554 full description and classification<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">The table below consolidates the code&rsquo;s key attributes for quick reference.<\/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\">Attribute<\/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\">21554<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0;background:#F9FAFB\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">Full descriptor<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Excision, tumor, soft tissue of neck or anterior thorax, subfascial (e.g., intramuscular); 5 cm or greater<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">CPT section<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Musculoskeletal System &gt; Neck or Thorax &gt; Excision<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0;background:#F9FAFB\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">Tissue depth<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Subfascial \/ intramuscular (below the fascia)<\/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\">5 cm or greater (greatest dimension of resected specimen)<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0;background:#F9FAFB\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">Anatomical site<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Neck or anterior thorax (cervical region and anterior chest)<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">Tumor type<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Benign or malignant soft tissue 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\">Common examples<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Large intramuscular lipoma, fibroma, soft tissue sarcoma, benign connective tissue neoplasm<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n\n\n<p class=\"wp-block-paragraph\">One clarification for billers. The parenthetical \u00ab\u00a0(e.g., intramuscular)\u00a0\u00bb in the descriptor is illustrative rather than exhaustive, so any subfascial plane qualifies. The fascia itself is the boundary that decides the code.<\/p>\n\n\n\n<h2 id=\"h-procedure-steps-and-documentation-requirements\" class=\"wp-block-heading\">Procedure steps and documentation requirements<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Most 21554 denials trace back to incomplete operative documentation rather than the wrong code choice. The operative report has to establish size and depth clearly enough for a payer auditor to confirm the code without ambiguity.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/pabau.com\/blog\/hipaa-compliance-for-medical-offices\/\" rel=\"noopener\">HIPAA-compliant documentation<\/a> is the baseline for any surgical billing claim. Beyond that, a 21554 claim needs the operative note to include all of the following:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Anatomical site confirmed:<\/strong> neck or anterior thorax, with the specific location named, such as left anterior neck or right supraclavicular region<\/li>\n\n\n\n<li><strong>Tissue plane documented:<\/strong> an explicit statement that the dissection was subfascial or intramuscular<\/li>\n\n\n\n<li><strong>Specimen size recorded:<\/strong> the greatest dimension of the excised specimen in centimeters, which must be 5 cm or greater<\/li>\n\n\n\n<li><strong>Pathology correlation:<\/strong> a pathology report confirming whether the excised tissue was benign or malignant, which supports medical necessity<\/li>\n\n\n\n<li><strong>Wound closure detail:<\/strong> the layered closure technique, if it was performed and billed separately, for bundling review<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Digital operative report forms prompt for size, depth, and location at the point of care. That cuts the number of queries sent back to the surgeon, so a <a href=\"https:\/\/pabau.com\/blog\/clean-claim\/\" rel=\"noopener\">clean claim<\/a> goes out the first time.<\/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-21554\/customizable-consent-and-intake-forms.webp\" alt=\"Customizable consent and intake forms\"\/><figcaption class=\"wp-element-caption\"><em>Customizable forms in Pabau prompt the surgeon for specimen size and tissue plane while the detail is still fresh.<\/em><\/figcaption><\/figure>\n\n\n\n<div style=\"height:35px;width:800px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n        <div id=\"pro_tip\">\n            <div class=\"img\">\n                <svg width=\"42\" height=\"42\" viewBox=\"0 0 42 42\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\">\n                    <path fill-rule=\"evenodd\" clip-rule=\"evenodd\"\n                        d=\"M12.6383 19.5238C12.6632 21.2071 12.8734 22.9926 12.0685 24.5523C11.0341 26.8917 8.45076 28.169 7.56292 30.5918C6.63082 33.1061 7.19505 36.185 9.31371 37.9786C10.929 39.5678 13.4183 39.9873 15.6061 39.5463C17.4592 39.073 19.1049 37.8388 19.9706 36.1608C20.781 34.7141 20.7866 32.9904 20.5293 31.3985C20.1006 29.3092 18.3775 27.8705 16.9807 26.362C14.8814 24.1005 14.6684 20.6854 15.595 17.8915C16.4331 15.4768 19.0026 14.2344 20.0425 11.9461C20.7202 10.6769 20.7506 9.20327 20.6068 7.81304C20.1864 5.40098 18.3139 3.23631 15.8716 2.56674C13.9742 2.03969 11.8224 2.30052 10.1739 3.37614C8.70522 4.34688 7.5878 5.86618 7.28356 7.58178C6.76081 9.82981 7.53525 12.2822 9.20307 13.9118C10.7658 15.4741 12.4806 17.2273 12.6383 19.5238Z\"\n                        fill=\"#2BADD4\" \/>\n                    <path fill-rule=\"evenodd\" clip-rule=\"evenodd\"\n                        d=\"M22.7048 19.8387C22.6822 22.3279 24.4507 24.6234 26.7493 25.4682C28.0531 25.961 29.4725 25.9183 30.7989 25.5487C32.0575 24.9955 33.301 24.2237 34.0069 23.0092C34.8384 21.5811 35.2982 19.8286 34.7832 18.2094C34.3611 16.2507 32.8739 14.6541 31.0275 13.9426C28.6736 12.9595 25.8073 13.7942 24.1719 15.7001C23.2022 16.8366 22.6143 18.3326 22.7048 19.8387Z\"\n                        fill=\"#2BADD4\" \/>\n                <\/svg>\n            <\/div>\n            <div class=\"text\">\n                <h3>Pro Tip<\/h3>\n                <p>Run a documentation checklist before you submit any 21554 claim. Confirm the operative note names the subfascial plane, records the specimen measurement in centimeters, and identifies the exact anatomical site. Those three data points are what payer auditors check first.<\/p>\n            <\/div>\n        <\/div>\n    \n\n\n<h2 id=\"h-cpt-code-21554-vs-21552-vs-21555-vs-21556-choosing-the-right-code\" class=\"wp-block-heading\">CPT code 21554 vs 21552 vs 21555 vs 21556: Choosing the right code<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">The neck and anterior thorax excision family turns on two axes, tissue depth and tumor size. Get either one wrong and the claim carries the wrong code.<\/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\">Tissue Depth<\/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\">Size<\/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\">Anatomical Site<\/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\">21552<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Subcutaneous (above fascia)<\/td>\n<td style=\"padding:12px 16px;color:#374151\">3 cm or greater<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Neck or anterior thorax<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0;background:#F9FAFB\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">21554<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Subfascial \/ intramuscular<\/td>\n<td style=\"padding:12px 16px;color:#374151\">5 cm or greater<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Neck or anterior thorax<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">21555<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Subcutaneous (above fascia)<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Less than 3 cm<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Neck or anterior thorax<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0;background:#F9FAFB\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">21556<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Subfascial \/ intramuscular<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Less than 5 cm<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Neck or anterior thorax<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n\n\n<p class=\"wp-block-paragraph\">21556 is the code most often confused with 21554. Both cover subfascial excision in the same anatomical region, and only the measurement separates them. A specimen under 5 cm codes to 21556, and 5 cm or greater codes to 21554.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Radical resection is a different pair of codes altogether. 21557 covers tumors under 5 cm, and 21558 covers tumors of 5 cm or greater.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/pabau.com\/procedure-codes\/cpt-code-21552\/\" rel=\"noopener\">21552<\/a> and 21555 sit above the fascia, and they split at 3 cm rather than 5 cm. Choosing either one for a subfascial tumor means the dissection plane was read wrong, not the tape measure.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The back and flank family follows the same logic with different numbers. CPT 21931 covers subcutaneous tumors of 3 cm or greater. The subfascial equivalents are 21932 under 5 cm and 21933 at 5 cm or greater. Deep biopsy in that region codes to <a href=\"https:\/\/pabau.com\/procedure-codes\/cpt-code-21925\/\" rel=\"noopener\">21925<\/a>.<\/p>\n\n\n\n<h2 id=\"h-icd-10-codes-commonly-billed-with-21554\" class=\"wp-block-heading\">ICD-10 codes commonly billed with 21554<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Every 21554 claim needs a supporting ICD-10 diagnosis code that establishes medical necessity. The pairings below are commonly used examples rather than an authoritative list. Always assign the most specific code the pathology and clinical documentation support.<\/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 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\">Usage 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\">D21.0<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Benign neoplasm of connective and other soft tissue of head, face and neck<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Most common pairing for benign neck soft tissue tumors, such as lipomas and fibromas<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0;background:#F9FAFB\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">M79.89<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Other specified soft tissue disorders<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Used when benign neoplasm coding is not definitive before surgery, then replaced by the pathology-confirmed code<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">C49.0<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Malignant neoplasm of connective and soft tissue of head, face and neck<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Applies when pathology confirms malignancy, and may trigger a more extensive documentation review<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0;background:#F9FAFB\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">D48.1<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Neoplasm of uncertain behavior of connective and other soft tissue<\/td>\n<td style=\"padding:12px 16px;color:#374151\">For tumors where benign or malignant status is unconfirmed at the time of billing<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n\n\n<p class=\"wp-block-paragraph\">The codes above are examples drawn from coding reference platforms. Verify each one against the current <a href=\"https:\/\/icd10cmtool.cdc.gov\/\" target=\"_blank\" rel=\"nofollow noopener\">CDC\/NCHS ICD-10-CM web tool<\/a>, and confirm it matches the pathology report for that patient encounter.<\/p>\n\n\n\n<h2 id=\"h-modifiers-for-cpt-code-21554\" class=\"wp-block-heading\">Modifiers for CPT code 21554<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Modifier usage for 21554 depends on the clinical circumstance and on payer rules. No modifier is universally required, and payer-specific variation applies. The table below covers the modifiers most commonly used 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\">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\">When It Applies to 21554<\/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 surgical work substantially exceeds the typical case, with documentation of the added complexity<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0;background:#F9FAFB\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">50<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Bilateral procedure<\/td>\n<td style=\"padding:12px 16px;color:#374151\">If bilateral tumors are excised in one session, though payer rules differ on modifier 50 versus LT\/RT lines<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0\">\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 21554 is performed with other procedures in the same session, applied to the secondary procedure<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0;background:#F9FAFB\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">59<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Distinct procedural service<\/td>\n<td style=\"padding:12px 16px;color:#374151\">When 21554 is a separate service not normally reported with another procedure billed that day<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">LT \/ RT<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Left side \/ Right side<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Required by some payers to identify laterality when bilateral excisions are billed on separate lines<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0;background:#F9FAFB\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">AS<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Assistant surgeon<\/td>\n<td style=\"padding:12px 16px;color:#374151\">When a physician assistant or nurse practitioner assists, subject to the payer&rsquo;s assistant surgeon policy<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n\n\n<p class=\"wp-block-paragraph\">Modifier logic carries across the musculoskeletal family, and <a href=\"https:\/\/pabau.com\/procedure-codes\/cpt-code-20103\/\" rel=\"noopener\">20103<\/a> follows a similar pattern for wound exploration. Always confirm modifier applicability with the individual payer before submission.<\/p>\n\n\n\n<h2 id=\"h-reimbursement-rates-and-the-medicare-fee-schedule\" class=\"wp-block-heading\">Reimbursement rates and the Medicare fee schedule<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">CPT 21554 carries a meaningful RVU value that reflects the complexity of deep tissue excision. 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> gives the current national payment amount for any locality. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">For 2026 planning, use the tool directly rather than a published estimate, because geographic adjustment varies by MAC jurisdiction.<\/p>\n\n\n\n<h3 id=\"h-rvu-breakdown-for-cpt-21554\" class=\"wp-block-heading\">RVU breakdown for CPT 21554<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">The Relative Value Unit (RVU) structure drives the Medicare payment calculation under the Resource-Based Relative Value Scale (RBRVS). The values below are indicative, based on publicly available CMS RVU data files. Verify current figures with the <a href=\"https:\/\/fastrvu.com\/tools\/rvu-lookup\" target=\"_blank\" rel=\"nofollow noopener\">FastRVU 2026 RVU lookup<\/a> tool.<\/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: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\">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\">Work RVU<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Physician time and effort<\/td>\n<td style=\"padding:12px 16px;color:#374151\">The largest RVU component for surgical codes, reflecting intraoperative complexity<\/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<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Overhead and supply costs<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Differs between facility and non-facility settings, and facility practice expense is lower<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">Malpractice RVU<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Professional liability<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Surgical codes carry higher malpractice RVUs than office visit codes<\/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<\/td>\n<td style=\"padding:12px 16px;color:#374151\">GPCI locality modifier<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Applied by MAC jurisdiction, so Manhattan rates differ materially from rural Kansas rates<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n\n\n<h3 id=\"h-facility-vs-non-facility-reimbursement\" class=\"wp-block-heading\">Facility vs non-facility reimbursement<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Medicare pays different rates for 21554 depending on the site of service. Practice managers reviewing revenue expectations need both numbers.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Facility rate (hospital or ASC):<\/strong> The facility absorbs overhead through a separate facility fee. The physician receives the work RVU plus a lower practice expense RVU, which lowers the total payment per claim.<\/li>\n\n\n\n<li><strong>Non-facility rate (office-based):<\/strong> The practice absorbs all overhead directly. A higher practice expense RVU applies, so the total physician payment is higher. Office-based excisions of this size are uncommon, though the code does not rule them out.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Setting-specific differences belong in your <a href=\"https:\/\/pabau.com\/blog\/what-is-revenue-cycle-management\/\" rel=\"noopener\">revenue cycle management<\/a> planning before you finalize a fee schedule. The PCC free 2026 RVU\/RBRVS calculator models expected reimbursement for both settings. Private payer rates for 21554 are negotiated independently, so the Medicare rate makes a poor proxy for commercial reimbursement.<\/p>\n\n\n\n<h2 id=\"h-common-billing-errors-and-how-to-avoid-them\" class=\"wp-block-heading\">Common billing errors and how to avoid them<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Four error patterns account for most 21554 denials and audit flags.<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Size threshold error:<\/strong> Billing 21554 when the resected specimen measures less than 5 cm in greatest dimension. The correct code for a subfascial neck or anterior thorax tumor under 5 cm is 21556. Always record the measured specimen size in centimeters.<\/li>\n\n\n\n<li><strong>Depth misidentification:<\/strong> Billing 21554 when the tumor sat above the fascia. If the surgeon never entered the fascial plane, the claim belongs to 21552 or 21555, which split at 3 cm. The operative note&rsquo;s description of the dissection plane settles it.<\/li>\n\n\n\n<li><strong>Unbundling wound closure:<\/strong> Billing skin closure or layered repair separately when the global surgical package for 21554 already covers it. Closure is bundled unless a distinct second surgical wound is documented. The <a href=\"https:\/\/pabau.com\/blog\/denial-codes-in-medical-billing\/\" rel=\"noopener\">denial codes<\/a> payers return on the remittance usually name the bundling edit.<\/li>\n\n\n\n<li><strong>Modifier documentation missing:<\/strong> Applying modifier 22 without operative note detail on what made the case substantially more complex than typical. Payers expect a specific narrative, not a generic note that the case was difficult.<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">A pre-submission review against a <a href=\"https:\/\/pabau.com\/procedure-codes\/bupa-procedure-codes-fee-schedule\/\" rel=\"noopener\">procedure fee schedule<\/a> catches most of these. Build the modifier and bundling rules into that check, before the claim leaves the practice.<\/p>\n\n\n\n<h2 id=\"h-how-billing-software-streamlines-cpt-code-21554-claims\" class=\"wp-block-heading\">How billing software streamlines CPT code 21554 claims<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Code selection in this family creates a decision point on every claim. Depth and size both matter, and both live in the operative note rather than in the billing queue. Anyone rekeying those details by hand is one distraction away from a denial.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Practice management software like Pabau pulls that decision into one place. Pabau&rsquo;s <a href=\"https:\/\/pabau.com\/features\/claims-management-software\/\" rel=\"noopener\">claims management software<\/a> validates the code against the documented procedure detail, applies payer-specific modifier rules, and scrubs the claim before it 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-21554\/automate-claims-through-healthcode.webp\" alt=\"Automated claims and billing in Pabau\"\/><figcaption class=\"wp-element-caption\"><em>Pabau&rsquo;s claims management flags a missing specimen measurement before a 21554 claim leaves your practice, so denials don&rsquo;t come back weeks later.<\/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<p class=\"wp-block-paragraph\">The <a href=\"https:\/\/pabau.com\/blog\/practice-management-software\/\" rel=\"noopener\">practice management software<\/a> layer keeps scheduling, clinical notes, and billing in one workflow. The specimen size and tissue depth your surgeon records flow straight into the claim, so nobody types them twice. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">For a practice billing a steady volume of excisions, that removes the denial-rework cycle that eats billing hours every week.<\/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>Review your 21554 denial rate quarterly alongside your 21556 volume. If 21554 denials climb while 21556 claims rise, the problem is usually size documentation rather than code selection. The fix sits at the point of care, prompting surgeons to record the measurement during surgery.<\/p>\n            <\/div>\n        <\/div>\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                    Streamline your surgical billing workflows                <\/h3>\n\n                <p class=\"description\">\n                    Pabau&rsquo;s claims management software helps practices automate CPT code selection, modifier application, and claim scrubbing for musculoskeletal excision procedures. Reduce denials and get paid faster.                <\/p>\n\n                <div class=\"button-group\">\n                    <a href=\"\/book-demo\/\" class=\"btn btn-scale-effect btn-cta-color btn-md\">\n                        <span class=\"btn-text\">Book a demo<\/span>\n                        <div class=\"btn-icon btn-icon-right\" aria-hidden=\"true\">\n                            <svg\n                                width=\"14\"\n                                height=\"12\"\n                                viewBox=\"0 0 14 12\"\n                                fill=\"none\"\n                                xmlns=\"http:\/\/www.w3.org\/2000\/svg\"\n                            >\n                                <path\n                                    d=\"M0.75 4.77295C0.335786 4.77295 0 5.10874 0 5.52295C0 5.93716 0.335786 6.27295 0.75 6.27295V5.52295V4.77295ZM13.2803 6.05328C13.5732 5.76039 13.5732 5.28551 13.2803 4.99262L8.50736 0.219648C8.21447 -0.073245 7.73959 -0.073245 7.4467 0.219648C7.15381 0.512542 7.15381 0.987415 7.4467 1.28031L11.6893 5.52295L7.4467 9.76559C7.15381 10.0585 7.15381 10.5334 7.4467 10.8263C7.73959 11.1191 8.21447 11.1191 8.50736 10.8263L13.2803 6.05328ZM0.75 5.52295V6.27295L12.75 6.27295V5.52295V4.77295L0.75 4.77295V5.52295Z\"\n                                    fill=\"currentColor\"\n                                ><\/path>\n                            <\/svg>\n                        <\/div>\n                    <\/a>\n                <\/div>\n            <\/div>\n\n            <div class=\"right-side\">\n                <img decoding=\"async\"\n                    src=\"https:\/\/pabau.com\/wp-content\/uploads\/2026\/01\/Home-Page-Concept-4.webp\"\n                    alt=\"Pabau claims management dashboard\"\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\">Two documented facts decide whether a 21554 claim survives review. The tumor has to be subfascial, and the specimen has to measure 5 cm or greater.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Get both into the operative note while the surgeon is still writing it, and the coding question answers itself. Leave either one vague and the choice between 21554 and 21556 comes down to guesswork, which is where denials start.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">So the fix belongs at the point of care rather than in the billing queue. <a href=\"https:\/\/pabau.com\/book-demo\/\">Book a demo<\/a> to see how Pabau keeps size and depth in the record where your coders can find them.<\/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>Coding a subfascial tumor higher up?<\/strong> <a href=\"https:\/\/pabau.com\/procedure-codes\/cpt-code-21013\/\" rel=\"noopener\">21013<\/a> applies the same depth logic to the face and scalp.<\/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>Reworking claims that came back denied?<\/strong> <a href=\"https:\/\/pabau.com\/blog\/denial-management-in-healthcare\/\" rel=\"noopener\">Denial management in healthcare<\/a> sets out how to triage and resubmit surgical 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>Preparing for a payer audit?<\/strong> <a href=\"https:\/\/pabau.com\/blog\/medical-billing-compliance\/\" rel=\"noopener\">Medical billing compliance<\/a> covers the documentation standards auditors expect to find.<\/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>Resubmitting a corrected claim?<\/strong> <a href=\"https:\/\/pabau.com\/blog\/timely-filing-limits\/\" rel=\"noopener\">Timely filing limits<\/a> explains how long each payer gives you before the window closes.<\/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>Checking coverage before surgery?<\/strong> <a href=\"https:\/\/pabau.com\/blog\/insurance-eligibility-verification\/\" rel=\"noopener\">Insurance eligibility verification<\/a> shows how to confirm benefits before the patient is on the table.<\/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-1786974801154\"><h3 class=\"schema-faq-question\">What does CPT code 21554 cover?<\/h3> <p class=\"schema-faq-answer\">CPT code 21554 covers excision of a subfascial soft tissue tumor of the neck or anterior thorax measuring 5 cm or greater. It applies to benign tumors such as lipomas and fibromas, and to malignant soft tissue tumors. The resected specimen has to meet both the depth and the size criteria in the AMA descriptor.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1786974801155\"><h3 class=\"schema-faq-question\">What is the difference between CPT 21554 and CPT 21555?<\/h3> <p class=\"schema-faq-answer\">They differ on depth as well as size, so they are not a like-for-like size comparison. 21555 covers a subcutaneous tumor of the neck or anterior thorax measuring less than 3 cm. 21554 covers a subfascial tumor measuring 5 cm or greater. The subfascial code for a tumor under 5 cm is 21556.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1786974801156\"><h3 class=\"schema-faq-question\">What is the difference between CPT 21554 and CPT 21556?<\/h3> <p class=\"schema-faq-answer\">Size is the only difference. Both codes cover subfascial soft tissue excision of the neck or anterior thorax. 21556 applies when the excised specimen measures less than 5 cm, and 21554 applies at 5 cm or greater. Neither code describes a radical resection, which is coded 21557 under 5 cm and 21558 at 5 cm or greater.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1786974801157\"><h3 class=\"schema-faq-question\">What modifiers apply to CPT code 21554?<\/h3> <p class=\"schema-faq-answer\">The modifiers used most often are 22 for increased procedural services and 50 for a bilateral procedure. 51 covers multiple procedures in one session, and 59 covers a distinct procedural service. LT and RT identify laterality. Modifier requirements vary by payer, so verify with the specific payer before applying one to a 21554 claim.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1786974801158\"><h3 class=\"schema-faq-question\">What is the 2026 Medicare reimbursement rate for CPT 21554?<\/h3> <p class=\"schema-faq-answer\">The 2026 Medicare rate for 21554 varies by MAC locality and by site of service. Non-facility rates are higher because the physician practice absorbs overhead directly. Use the CMS Physician Fee Schedule lookup tool at cms.gov to retrieve the current rate for your locality. Geographic conversion factors move the final payment materially.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1786974801159\"><h3 class=\"schema-faq-question\">What documentation is required to bill CPT 21554?<\/h3> <p class=\"schema-faq-answer\">The operative report must document the anatomical site, the tissue depth, and the measured size of the excised specimen in centimeters. The site is the neck or anterior thorax with a specific location named. The depth is subfascial or intramuscular, and the specimen must measure 5 cm or greater. A pathology report confirming the tumor type supports medical necessity.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1786974801160\"><h3 class=\"schema-faq-question\">Which ICD-10 codes are commonly billed with CPT 21554?<\/h3> <p class=\"schema-faq-answer\">Common pairings include D21.0 for a benign neoplasm of connective and soft tissue of the head, face and neck. C49.0 covers a malignant neoplasm of the same region. M79.89 covers other specified soft tissue disorders, and D48.1 covers a neoplasm of uncertain behavior. Always assign the most specific code the documentation supports.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1786974801161\"><h3 class=\"schema-faq-question\">Is CPT 21554 used for malignant tumors?<\/h3> <p class=\"schema-faq-answer\">Yes. CPT 21554 applies to benign and malignant soft tissue tumors of the neck or anterior thorax. The excision must be subfascial and the specimen must measure 5 cm or greater. Radical resection of a malignant tumor is coded separately, 21557 for tumors under 5 cm and 21558 at 5 cm or greater.<\/p> <\/div> <\/div>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>CPT code 21554 covers subfascial neck or anterior thorax tumors 5 cm or greater. Under 5 cm the code is 21556, not 21555.<\/p>\n","protected":false},"author":83,"featured_media":183255,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_yoast_wpseo_linkdex":"94","_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":[4102,2776,1602,1163],"class_list":["post-183256","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-billing-codes","category-cpt-codes","tag-cpt-code","tag-cpt-coding","tag-cpt-modifiers","tag-medical-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 21554: Size and depth rules that prevent denials<\/title>\n<meta name=\"description\" content=\"CPT code 21554 covers subfascial neck or anterior thorax tumors 5 cm or greater. Under 5 cm the code is 21556, not 21555.\" \/>\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-21554\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"CPT code 21554: Size and depth rules that prevent denials\" \/>\n<meta property=\"og:description\" content=\"CPT code 21554 covers subfascial neck or anterior thorax tumors 5 cm or greater. Under 5 cm the code is 21556, not 21555.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/pabau.com\/fr\/procedure-codes\/cpt-code-21554\/\" \/>\n<meta property=\"og:site_name\" content=\"Pabau\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/Pabau\/\" \/>\n<meta property=\"article:published_time\" content=\"2026-08-18T08:54:03+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-08-18T08:54:06+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/pabau.com\/wp-content\/uploads\/2026\/08\/cpt-code-21554.webp\" \/>\n\t<meta property=\"og:image:width\" content=\"1200\" \/>\n\t<meta property=\"og:image:height\" content=\"630\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/webp\" \/>\n<meta name=\"author\" content=\"Anja Dodevska\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@pabaucrm\" \/>\n<meta name=\"twitter:site\" content=\"@pabaucrm\" \/>\n<meta name=\"twitter:label1\" content=\"\u00c9crit par\" \/>\n\t<meta name=\"twitter:data1\" content=\"Anja Dodevska\" \/>\n\t<meta name=\"twitter:label2\" content=\"Dur\u00e9e de lecture estim\u00e9e\" \/>\n\t<meta name=\"twitter:data2\" content=\"12 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/pabau.com\\\/fr\\\/procedure-codes\\\/cpt-code-21554\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/pabau.com\\\/fr\\\/procedure-codes\\\/cpt-code-21554\\\/\"},\"author\":{\"name\":\"Anja Dodevska\",\"@id\":\"https:\\\/\\\/pabau.com\\\/fr\\\/#\\\/schema\\\/person\\\/f2e43b25ed02313e8781f0f4507398b9\"},\"headline\":\"CPT code 21554: Excision of soft tissue tumor, neck or anterior thorax\",\"datePublished\":\"2026-08-18T08:54:03+00:00\",\"dateModified\":\"2026-08-18T08:54:06+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/pabau.com\\\/fr\\\/procedure-codes\\\/cpt-code-21554\\\/\"},\"wordCount\":2303,\"publisher\":{\"@id\":\"https:\\\/\\\/pabau.com\\\/fr\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/pabau.com\\\/fr\\\/procedure-codes\\\/cpt-code-21554\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/pabau.com\\\/wp-content\\\/uploads\\\/2026\\\/08\\\/cpt-code-21554.webp\",\"keywords\":[\"cpt code\",\"CPT coding\",\"Cpt Modifiers\",\"Medical Billing\"],\"articleSection\":[\"Billing Codes\",\"CPT Codes\"],\"inLanguage\":\"fr-FR\"},{\"@type\":[\"WebPage\",\"FAQPage\"],\"@id\":\"https:\\\/\\\/pabau.com\\\/fr\\\/procedure-codes\\\/cpt-code-21554\\\/\",\"url\":\"https:\\\/\\\/pabau.com\\\/fr\\\/procedure-codes\\\/cpt-code-21554\\\/\",\"name\":\"CPT code 21554: Size and depth rules that prevent denials\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/pabau.com\\\/fr\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/pabau.com\\\/fr\\\/procedure-codes\\\/cpt-code-21554\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/pabau.com\\\/fr\\\/procedure-codes\\\/cpt-code-21554\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/pabau.com\\\/wp-content\\\/uploads\\\/2026\\\/08\\\/cpt-code-21554.webp\",\"datePublished\":\"2026-08-18T08:54:03+00:00\",\"dateModified\":\"2026-08-18T08:54:06+00:00\",\"description\":\"CPT code 21554 covers subfascial neck or anterior thorax tumors 5 cm or greater. 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It combines scheduling, electronic health records, clinical forms, payments, marketing automation, reporting, and patient engagement tools into one secure cloud system to help practices streamline operations and grow their business.\",\"foundingDate\":\"2011-10-20\",\"numberOfEmployees\":{\"@type\":\"QuantitativeValue\",\"minValue\":\"201\",\"maxValue\":\"500\"}},{\"@type\":\"Person\",\"@id\":\"https:\\\/\\\/pabau.com\\\/fr\\\/#\\\/schema\\\/person\\\/f2e43b25ed02313e8781f0f4507398b9\",\"name\":\"Anja Dodevska\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"fr-FR\",\"@id\":\"https:\\\/\\\/pabau.com\\\/wp-content\\\/uploads\\\/2026\\\/06\\\/cropped-CE0C072E-91B7-4BB7-BD27-D1E3B38ED0CA-scaled-1-96x96.jpg\",\"url\":\"https:\\\/\\\/pabau.com\\\/wp-content\\\/uploads\\\/2026\\\/06\\\/cropped-CE0C072E-91B7-4BB7-BD27-D1E3B38ED0CA-scaled-1-96x96.jpg\",\"contentUrl\":\"https:\\\/\\\/pabau.com\\\/wp-content\\\/uploads\\\/2026\\\/06\\\/cropped-CE0C072E-91B7-4BB7-BD27-D1E3B38ED0CA-scaled-1-96x96.jpg\",\"caption\":\"Anja Dodevska\"},\"description\":\"Anja Dodevska writes about healthcare, dermatology, and the day-to-day realities of running a medical practice for Pabau. 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\\\/fr\\\/blog\\\/author\\\/anja-dodevska\\\/\"},{\"@type\":\"Question\",\"@id\":\"https:\\\/\\\/pabau.com\\\/fr\\\/procedure-codes\\\/cpt-code-21554\\\/#faq-question-1786974801154\",\"position\":1,\"url\":\"https:\\\/\\\/pabau.com\\\/fr\\\/procedure-codes\\\/cpt-code-21554\\\/#faq-question-1786974801154\",\"name\":\"What does CPT code 21554 cover?\",\"answerCount\":1,\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"CPT code 21554 covers excision of a subfascial soft tissue tumor of the neck or anterior thorax measuring 5 cm or greater. It applies to benign tumors such as lipomas and fibromas, and to malignant soft tissue tumors. The resected specimen has to meet both the depth and the size criteria in the AMA descriptor.\",\"inLanguage\":\"fr-FR\"},\"inLanguage\":\"fr-FR\"},{\"@type\":\"Question\",\"@id\":\"https:\\\/\\\/pabau.com\\\/fr\\\/procedure-codes\\\/cpt-code-21554\\\/#faq-question-1786974801155\",\"position\":2,\"url\":\"https:\\\/\\\/pabau.com\\\/fr\\\/procedure-codes\\\/cpt-code-21554\\\/#faq-question-1786974801155\",\"name\":\"What is the difference between CPT 21554 and CPT 21555?\",\"answerCount\":1,\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"They differ on depth as well as size, so they are not a like-for-like size comparison. 21555 covers a subcutaneous tumor of the neck or anterior thorax measuring less than 3 cm. 21554 covers a subfascial tumor measuring 5 cm or greater. The subfascial code for a tumor under 5 cm is 21556.\",\"inLanguage\":\"fr-FR\"},\"inLanguage\":\"fr-FR\"},{\"@type\":\"Question\",\"@id\":\"https:\\\/\\\/pabau.com\\\/fr\\\/procedure-codes\\\/cpt-code-21554\\\/#faq-question-1786974801156\",\"position\":3,\"url\":\"https:\\\/\\\/pabau.com\\\/fr\\\/procedure-codes\\\/cpt-code-21554\\\/#faq-question-1786974801156\",\"name\":\"What is the difference between CPT 21554 and CPT 21556?\",\"answerCount\":1,\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Size is the only difference. Both codes cover subfascial soft tissue excision of the neck or anterior thorax. 21556 applies when the excised specimen measures less than 5 cm, and 21554 applies at 5 cm or greater. Neither code describes a radical resection, which is coded 21557 under 5 cm and 21558 at 5 cm or greater.\",\"inLanguage\":\"fr-FR\"},\"inLanguage\":\"fr-FR\"},{\"@type\":\"Question\",\"@id\":\"https:\\\/\\\/pabau.com\\\/fr\\\/procedure-codes\\\/cpt-code-21554\\\/#faq-question-1786974801157\",\"position\":4,\"url\":\"https:\\\/\\\/pabau.com\\\/fr\\\/procedure-codes\\\/cpt-code-21554\\\/#faq-question-1786974801157\",\"name\":\"What modifiers apply to CPT code 21554?\",\"answerCount\":1,\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"The modifiers used most often are 22 for increased procedural services and 50 for a bilateral procedure. 51 covers multiple procedures in one session, and 59 covers a distinct procedural service. LT and RT identify laterality. 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The resected specimen has to meet both the depth and the size criteria in the AMA descriptor.","inLanguage":"fr-FR"},"inLanguage":"fr-FR"},{"@type":"Question","@id":"https:\/\/pabau.com\/fr\/procedure-codes\/cpt-code-21554\/#faq-question-1786974801155","position":2,"url":"https:\/\/pabau.com\/fr\/procedure-codes\/cpt-code-21554\/#faq-question-1786974801155","name":"What is the difference between CPT 21554 and CPT 21555?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"They differ on depth as well as size, so they are not a like-for-like size comparison. 21555 covers a subcutaneous tumor of the neck or anterior thorax measuring less than 3 cm. 21554 covers a subfascial tumor measuring 5 cm or greater. The subfascial code for a tumor under 5 cm is 21556.","inLanguage":"fr-FR"},"inLanguage":"fr-FR"},{"@type":"Question","@id":"https:\/\/pabau.com\/fr\/procedure-codes\/cpt-code-21554\/#faq-question-1786974801156","position":3,"url":"https:\/\/pabau.com\/fr\/procedure-codes\/cpt-code-21554\/#faq-question-1786974801156","name":"What is the difference between CPT 21554 and CPT 21556?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"Size is the only difference. Both codes cover subfascial soft tissue excision of the neck or anterior thorax. 21556 applies when the excised specimen measures less than 5 cm, and 21554 applies at 5 cm or greater. Neither code describes a radical resection, which is coded 21557 under 5 cm and 21558 at 5 cm or greater.","inLanguage":"fr-FR"},"inLanguage":"fr-FR"},{"@type":"Question","@id":"https:\/\/pabau.com\/fr\/procedure-codes\/cpt-code-21554\/#faq-question-1786974801157","position":4,"url":"https:\/\/pabau.com\/fr\/procedure-codes\/cpt-code-21554\/#faq-question-1786974801157","name":"What modifiers apply to CPT code 21554?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"The modifiers used most often are 22 for increased procedural services and 50 for a bilateral procedure. 51 covers multiple procedures in one session, and 59 covers a distinct procedural service. LT and RT identify laterality. 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A pathology report confirming the tumor type supports medical necessity.","inLanguage":"fr-FR"},"inLanguage":"fr-FR"},{"@type":"Question","@id":"https:\/\/pabau.com\/fr\/procedure-codes\/cpt-code-21554\/#faq-question-1786974801160","position":7,"url":"https:\/\/pabau.com\/fr\/procedure-codes\/cpt-code-21554\/#faq-question-1786974801160","name":"Which ICD-10 codes are commonly billed with CPT 21554?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"Common pairings include D21.0 for a benign neoplasm of connective and soft tissue of the head, face and neck. C49.0 covers a malignant neoplasm of the same region. M79.89 covers other specified soft tissue disorders, and D48.1 covers a neoplasm of uncertain behavior. 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