{"id":157171,"date":"2026-07-16T10:53:22","date_gmt":"2026-07-16T10:53:22","guid":{"rendered":"https:\/\/pabau.com\/?p=157171"},"modified":"2026-08-13T12:05:36","modified_gmt":"2026-08-13T12:05:36","slug":"icd-10-code-c541","status":"publish","type":"post","link":"https:\/\/pabau.com\/de\/diagnostic-codes\/icd-10-code-c541\/","title":{"rendered":"ICD-10 Code C54.1: Malignant neoplasm of endometrium"},"content":{"rendered":"\n<script type=\"application\/ld+json\">{\"@context\":\"https:\/\/schema.org\",\"@type\":\"MedicalWebPage\",\"headline\":\"ICD-10 Code C54.1: Malignant neoplasm of endometrium\",\"description\":\"ICD-10 Code C54.1 (Malignant neoplasm of endometrium) is a billable FY2026 diagnosis code. Learn documentation requirements, related codes, and coding guidelines.\",\"url\":\"https:\/\/pabau.com\/diagnostic-codes\/icd-10-code-c541\/\",\"audience\":{\"@type\":\"MedicalAudience\",\"audienceType\":\"Clinician\"},\"reviewedBy\":{\"@type\":\"Person\",\"name\":\"Dr Vanja Kitanova\",\"jobTitle\":\"Medical Reviewer\",\"affiliation\":{\"@type\":\"Organization\",\"name\":\"Pabau\"},\"knowsAbout\":[\"Medical Coding\",\"Clinical Documentation\",\"Healthcare Billing\",\"Clinical Safety\"],\"sameAs\":\"https:\/\/pabau.com\/blog\/author\/vanja\/\"},\"datePublished\":\"2026-07-16\",\"dateModified\":\"2026-07-16\"}<\/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>ICD-10 Code C54.1 describes malignant neoplasm of the endometrium, the inner lining of the uterine corpus.<\/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>C54.1 is a billable, specific ICD-10-CM code valid for FY2026 claims submission effective October 1, 2025.<\/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>Use C55 only when the uterine site is unspecified &#8211; C54.1 requires documented endometrial involvement.<\/p>\n                        <\/div>\n                                                                                <div class=\"item\">\n                            <div>\n                                <svg width=\"20\" height=\"27\" viewBox=\"0 0 20 27\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\">\n                                    <path\n                                        d=\"M18.6223 14.3857C19.1246 13.8975 19.1246 13.1045 18.6223 12.6162L12.1938 6.36621C11.6915 5.87793 10.8759 5.87793 10.3737 6.36621C9.87143 6.85449 9.87143 7.64746 10.3737 8.13574L14.6125 12.2529H2.28571C1.57455 12.2529 1 12.8115 1 13.5029C1 14.1943 1.57455 14.7529 2.28571 14.7529H14.6085L10.3777 18.8701C9.87545 19.3584 9.87545 20.1514 10.3777 20.6396C10.8799 21.1279 11.6955 21.1279 12.1978 20.6396L18.6263 14.3896L18.6223 14.3857Z\"\n                                        fill=\"#3D3D46\" \/>\n                                <\/svg>\n                            <\/div>\n                            <p>Pabau&#8217;s claims management software links ICD-10 codes directly to billing workflows, reducing manual transcription errors for codes like C54.1.<\/p>\n                        <\/div>\n                                                <\/div>\n        <\/div>\n    \n\n\n<p class=\"wp-block-paragraph\">ICD-10 Code C54.1 is the billable, site-specific diagnostic code for malignant neoplasm of the endometrium, the inner lining of the uterine corpus. Endometrial cancer is the most common gynecologic malignancy in the United States. Using the unspecified uterine code <a href=\"https:\/\/pabau.com\/diagnostic-codes\/icd-10-code-c55\/\">C55<\/a> when the chart documents endometrial involvement is one of the most frequently flagged errors in gynecologic oncology audits.<\/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\">\n<div class=\"wp-block-embed__wrapper\">\n<iframe title=\"ICD-10 Revisions: Stay Updated or Fall Behind\" width=\"800\" height=\"450\" src=\"https:\/\/www.youtube.com\/embed\/bqAyb-BCA0w?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>\n<\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">This reference covers the official code descriptor, FY2026 billable status, the C54 hierarchy, documentation requirements, common coding errors, and the CPT codes most frequently submitted alongside C54.1. For practices managing gynecologic oncology billing.<\/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\/diagnostic_codes\/icd-10-code-c541\/automate-claims-through-healthcode.webp\" alt=\"Automate claims and billing with Pabau\"\/><figcaption class=\"wp-element-caption\"><em>Automate claims and billing with Pabau<\/em><\/figcaption><\/figure>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n\n\n<h2 class=\"wp-block-heading\">C54.1 code details at a glance<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">The table below covers the core reference data for ICD-10 Code C54.1 as published in the FY2026 ICD-10-CM tabular list, effective October 1, 2025.<\/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<\/td>\n<td style=\"padding:12px 16px;color:#374151\">C54.1<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0;background:#F9FAFB\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">Official descriptor<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Malignant neoplasm of endometrium<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">Code type<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Billable \/ specific ICD-10-CM code<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0;background:#F9FAFB\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">FY2026 effective date<\/td>\n<td style=\"padding:12px 16px;color:#374151\">October 1, 2025<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">Valid for claims submission<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Yes<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0;background:#F9FAFB\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">Parent category<\/td>\n<td style=\"padding:12px 16px;color:#374151\">C54 &#8211; Malignant neoplasm of corpus uteri<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">Code block<\/td>\n<td style=\"padding:12px 16px;color:#374151\">C51-C58 (Malignant neoplasms of female genital organs)<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0;background:#F9FAFB\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">Chapter<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Chapter 2 (C00-D49): Neoplasms<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n\n\n<p class=\"wp-block-paragraph\">The <a href=\"https:\/\/icd10cmtool.cdc.gov\/\" target=\"_blank\" rel=\"nofollow noopener\">CDC\/NCHS ICD-10-CM web tool<\/a> provides the authoritative annual tabular list. Always verify billable status against the current fiscal year before submission, since code additions and revisions take effect each October 1.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Clinical description: Malignant neoplasm of the endometrium<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">The endometrium is the mucosal lining of the uterine corpus, the body of the uterus. Endometrial cancer arises from this lining and is distinct from myometrial or cervical malignancies. For coding purposes, the distinction is entirely anatomical: C54.1 requires the physician to document that the primary malignancy involves the endometrium specifically, not simply the uterus in general.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The most common histological subtype is endometrioid adenocarcinoma, though other types (serous, clear cell, carcinosarcoma) also map to C54.1 when the endometrium is the confirmed primary site. Histological type is captured separately using morphology codes from the neoplasm table. C54.1 identifies the anatomical site. Maintaining accurate structured patient records from diagnosis through treatment supports the documentation trail payers require.<\/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\/diagnostic_codes\/icd-10-code-c541\/comprehensive-patient-records.webp\" alt=\"Comprehensive patient records\"\/><figcaption class=\"wp-element-caption\"><em>Comprehensive patient records<\/em><\/figcaption><\/figure>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n\n\n<h2 class=\"wp-block-heading\">ICD-10-CM code hierarchy: Where C54.1 fits<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">C54.1 sits within the C54 parent category, which covers malignant neoplasms of the corpus uteri as a whole. The sibling codes below help coders select the correct level of specificity.<\/p>\n\n\n\n<table style=\"width:100%;border-collapse:separate;border-spacing:0;border-radius:12px;overflow:hidden;font-size:15px;line-height:1.5;margin:1.5em 0 2em;box-shadow:0 2px 12px rgba(0,0,0,0.08)\">\n<thead>\n<tr>\n<th style=\"background:#121D36;color:#fff;padding:14px 16px;text-align:left;font-weight:600;font-size:14px;letter-spacing:0.3px;border-bottom:2px solid #2BADD4\">Code<\/th>\n<th style=\"background:#121D36;color:#fff;padding:14px 16px;text-align:left;font-weight:600;font-size:14px;letter-spacing:0.3px;border-bottom:2px solid #2BADD4\">Descriptor<\/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\">C54<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Malignant neoplasm of corpus uteri<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Parent category; not billable on its own<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0;background:#F9FAFB\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">C54.0<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Malignant neoplasm of isthmus uteri<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Lower uterine segment<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">C54.1<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Malignant neoplasm of endometrium<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Billable; most frequently used in this category<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0;background:#F9FAFB\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\"><a href=\"https:\/\/pabau.com\/diagnostic-codes\/icd-10-code-c542\/\">C54.2<\/a><\/td>\n<td style=\"padding:12px 16px;color:#374151\">Malignant neoplasm of myometrium<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Muscular wall of uterus<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">C54.3<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Malignant neoplasm of fundus uteri<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Upper, rounded portion of uterus<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0;background:#F9FAFB\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">C54.8<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Malignant neoplasm of overlapping sites of corpus uteri<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Two or more adjacent sites, neither predominant<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">C54.9<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Malignant neoplasm of corpus uteri, unspecified<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Use only when site within corpus is not documented<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0;background:#F9FAFB\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">C55<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Malignant neoplasm of uterus, part unspecified<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Use only when corpus vs. cervix cannot be determined<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n\n\n<p class=\"wp-block-paragraph\">With <a href=\"https:\/\/pabau.com\/blog\/patient-management-software\/\">software for managing patients<\/a>, these diagnoses stay linked to pathology results and surveillance schedules.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Applicable to and includes notes for C54.1<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">The ICD-10-CM tabular list includes an &#8222;Applicable To&#8220; note under C54.1 that clarifies the conditions captured by this code. Per the official tabular list, C54.1 applies to:<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>Adenocarcinoma of the endometrium<\/li><li>Endometrial carcinoma<\/li><li>Cancer of the endometrium<\/li><li>Endometrioid carcinoma of corpus uteri<\/li><\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Any histological subtype of malignant neoplasm where the primary anatomical site is confirmed as the endometrium falls under C54.1. Coders should not use a morphology-based code in place of C54.1; the ICD-10-CM guidelines require the site code to be reported, with morphology codes used as supplementary where required by the facility or payer.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Excludes notes and code-first guidance<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">C54.1 does not carry an Excludes1 note of its own, but coders should be aware of the broader exclusions that apply to the C54 category and the C51-C58 block.<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li><strong>Excludes1 (parent block C51-C58):<\/strong> Melanoma and other malignant neoplasms of skin of female genital organs (these are classified elsewhere in C43-C44)<\/li><li><strong>Use additional code<\/strong> where applicable: secondary malignant neoplasm of lymph nodes or other organs if documented as involved<\/li><li><strong>Code also:<\/strong> personal history of malignant neoplasm of female genital organs (Z85.40-Z85.44) where applicable for follow-up encounters<\/li><\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">When the encounter is for follow-up after completed treatment with no evidence of disease, report Z08 (Encounter for follow-up examination after completed treatment for malignant neoplasm) as the principal diagnosis, with C54.1 sequenced as an additional code. When active treatment is ongoing, C54.1 is the principal diagnosis.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Documentation requirements for C54.1<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Payers reviewing claims for C54.1 look for documentation that supports the site specificity the code requires. Missing any of these elements is the fastest route to a denial or audit flag.<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li><strong>Confirmed malignancy of the endometrium:<\/strong> Pathology report or physician attestation identifying the endometrium as the primary site<\/li><li><strong>Histological type:<\/strong> Adenocarcinoma, serous, clear cell, or other subtype documented in the operative or pathology report<\/li><li><strong>Primary vs. secondary:<\/strong> State whether this is a primary malignancy (C54.1) or a secondary\/metastatic site; do not use C54.1 for metastasis to the endometrium<\/li><li><strong>FIGO stage (where known):<\/strong> FIGO staging is standard for gynecologic oncology and should appear in the operative or oncology note; additional ICD-10-CM codes may be required to capture extent of disease<\/li><li><strong>Encounter type:<\/strong> Specify whether the encounter is for active treatment, follow-up, or surveillance; this determines sequencing<\/li><\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Practices that use digital clinical documentation can structure oncology notes to capture these elements at the point of care rather than retrospectively. For gynecologic oncology workflows.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Good HIPAA-compliant recordkeeping also ensures that documentation supporting C54.1 is stored securely and is accessible for audit purposes. Reviewing a gynecology EHR comparison can help practices weigh which platform handles oncology-specific documentation best.<\/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>Always document the endometrial site explicitly in the operative or pathology note rather than relying on the diagnosis line alone. Payers auditing C54.1 claims look for site confirmation in the supporting documentation itself, since the claim form alone doesn&#8217;t establish it.<\/p>\n            <\/div>\n        <\/div>\n    \n\n\n<h2 class=\"wp-block-heading\">Common coding errors and how to avoid them<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Audits of gynecologic oncology claims consistently surface the same set of C54.1 errors. Most stem from insufficient documentation at the time of service rather than deliberate miscoding.<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li><strong>Using C55 when the site is documented:<\/strong> C55 is for malignant neoplasm of uterus, part unspecified. If the physician has confirmed endometrial involvement in any documentation, C54.1 is required. Using C55 when the record supports C54.1 signals incomplete coding and may reduce reimbursement.<\/li><li><strong>Omitting staging codes:<\/strong> FIGO staging for endometrial cancer often requires additional ICD-10-CM codes to capture extent of disease. Reporting C54.1 without staging codes where documentation supports staging leaves the claim incomplete for many oncology payers.<\/li><li><strong>Coding a secondary malignancy as C54.1:<\/strong> C54.1 describes a primary malignancy only. If the endometrium is a site of metastasis, the appropriate code is from the C79.x range (secondary malignant neoplasm). Always query the physician when primary versus secondary status is unclear.<\/li><li><strong>Using C54.9 or C54.8 instead of C54.1:<\/strong> When the pathology report specifies endometrial involvement, C54.9 (unspecified corpus) and C54.8 (overlapping sites) are not appropriate. Code to the highest level of specificity the documentation supports.<\/li><\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Robust clinical documentation compliance programs that train coders and clinicians together are the most effective way to catch these errors before submission. The <a href=\"https:\/\/www.aapc.com\/codes\/icd-10-codes-range\/\" target=\"_blank\" rel=\"nofollow noopener\">AAPC ICD-10-CM code lookup<\/a> provides additional coding guidance and crosswalk references for the C54 family.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Endometrial cancer staging codes for C54.1<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">FIGO staging is the standard classification system for endometrial cancer. ICD-10-CM does not have built-in FIGO staging codes within C54.1 itself, but payers and cancer registries typically require extent-of-disease codes alongside C54.1 to fully characterize the encounter. The table below maps FIGO stages to the relevant ICD-10-CM supplementary codes.<\/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\">FIGO Stage<\/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\">ICD-10-CM Supplementary 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\">Stage I<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Confined to corpus uteri<\/td>\n<td style=\"padding:12px 16px;color:#374151\">C54.1 as principal; no secondary malignancy code needed<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0;background:#F9FAFB\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">Stage II<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Extends to cervical stroma<\/td>\n<td style=\"padding:12px 16px;color:#374151\">C54.1 + C53.x for cervical involvement if documented as concurrent primary<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">Stage III<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Local or regional spread<\/td>\n<td style=\"padding:12px 16px;color:#374151\">C54.1 + C77.x (lymph node involvement) or C79.x (secondary sites)<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0;background:#F9FAFB\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">Stage IV<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Distant metastasis<\/td>\n<td style=\"padding:12px 16px;color:#374151\">C54.1 + C78.x or C79.x for distant metastatic sites<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n\n\n<p class=\"wp-block-paragraph\">Staging-code specifics should always be confirmed against current <a href=\"https:\/\/www.cms.gov\/medicare\/coding-billing\/icd-10-codes\" target=\"_blank\" rel=\"nofollow noopener\">CMS ICD-10-CM guidelines<\/a> before submission, as payer-specific requirements for staging codes vary. The <a href=\"https:\/\/icd.who.int\/browse10\/2019\/en\" target=\"_blank\" rel=\"nofollow noopener\">WHO ICD-10 browser<\/a> provides the international classification context underlying the U.S. ICD-10-CM adaptation.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">CPT codes commonly used alongside C54.1<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Knowing which CPT procedure codes are typically paired with C54.1 helps coders build complete claims and anticipate medical necessity reviews. The table below reflects common procedural coding patterns in endometrial cancer care. Always verify specific pairings against current <a href=\"https:\/\/www.ama-assn.org\/practice-management\/cpt\/cpt-code-set-overview\" target=\"_blank\" rel=\"noopener nofollow\">AMA CPT coding guidelines<\/a> and payer LCDs before submission.<\/p>\n\n\n\n<table style=\"width:100%;border-collapse:separate;border-spacing:0;border-radius:12px;overflow:hidden;font-size:15px;line-height:1.5;margin:1.5em 0 2em;box-shadow:0 2px 12px rgba(0,0,0,0.08)\">\n<thead>\n<tr>\n<th style=\"background:#121D36;color:#fff;padding:14px 16px;text-align:left;font-weight:600;font-size:14px;letter-spacing:0.3px;border-bottom:2px solid #2BADD4\">CPT Code<\/th>\n<th style=\"background:#121D36;color:#fff;padding:14px 16px;text-align:left;font-weight:600;font-size:14px;letter-spacing:0.3px;border-bottom:2px solid #2BADD4\">Procedure<\/th>\n<th style=\"background:#121D36;color:#fff;padding:14px 16px;text-align:left;font-weight:600;font-size:14px;letter-spacing:0.3px;border-bottom:2px solid #2BADD4\">Clinical Context<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr style=\"border-bottom:1px solid #E8ECF0\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">58558<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Hysteroscopy with endometrial biopsy<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Diagnostic workup; often precedes C54.1 diagnosis coding<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0;background:#F9FAFB\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">58150<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Total abdominal hysterectomy<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Primary surgical treatment for Stage I-II endometrial cancer<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">58571<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Laparoscopic total hysterectomy (uterus \u2264250g), with removal of tube(s)\/ovary(s)<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Lymphadenectomy is billed separately (38571\/38572), not bundled into 58571<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0;background:#F9FAFB\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">58120<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Dilation and curettage (D&amp;C)<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Diagnostic or therapeutic; often used in initial workup<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">99213-99215<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Office or other outpatient visit (E\/M)<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Follow-up and surveillance encounters for established patients<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n\n\n<h2 class=\"wp-block-heading\">Related ICD-10-CM codes for endometrial and uterine cancer<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Coders working in gynecologic oncology regularly encounter the codes in the table below as companions to, or distinctions from, ICD-10 Code C54.1. Practices that manage broader gynecologic caseloads alongside oncology cases often rely on pelvic health software to keep documentation consistent across specialties. The same personal-history logic applies elsewhere in oncology coding.<\/p>\n\n\n\n<table style=\"width:100%;border-collapse:separate;border-spacing:0;border-radius:12px;overflow:hidden;font-size:15px;line-height:1.5;margin:1.5em 0 2em;box-shadow:0 2px 12px rgba(0,0,0,0.08)\">\n<thead>\n<tr>\n<th style=\"background:#121D36;color:#fff;padding:14px 16px;text-align:left;font-weight:600;font-size:14px;letter-spacing:0.3px;border-bottom:2px solid #2BADD4\">Code<\/th>\n<th style=\"background:#121D36;color:#fff;padding:14px 16px;text-align:left;font-weight:600;font-size:14px;letter-spacing:0.3px;border-bottom:2px solid #2BADD4\">Descriptor<\/th>\n<th style=\"background:#121D36;color:#fff;padding:14px 36px;text-align:left;font-weight:600;font-size:14px;letter-spacing:0.3px;border-bottom:2px solid #2BADD4\">Relationship to C54.1<\/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\">C55<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Malignant neoplasm of uterus, part unspecified<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Use only when site within uterus cannot be determined<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0;background:#F9FAFB\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">C53.9<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Malignant neoplasm of cervix uteri, unspecified<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Cervical primary; distinct from endometrial primary<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">C79.82<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Secondary malignant neoplasm of genital organs<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Metastasis to genital organs from another primary 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\">Z85.42<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Personal history of malignant neoplasm of other female genital organs<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Used for surveillance\/follow-up when cancer is in remission<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">Z08<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Encounter for follow-up after completed treatment for malignant neoplasm<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Principal diagnosis at surveillance visits post-treatment<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0;background:#F9FAFB\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">N85.00<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Endometrial hyperplasia, unspecified<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Non-malignant endometrial condition; precursor monitoring<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n\n\n<h2 class=\"wp-block-heading\">Related ICD-10 codes<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/pabau.com\/diagnostic-codes\/icd-10-code-c61\/\">ICD-10 code for prostate cancer \u2014 C61<\/a><\/li>\n\n\n<li><a href=\"https:\/\/pabau.com\/diagnostic-codes\/icd-10-code-c58\/\">ICD-10 code C58 \u2014 Malignant neoplasm of placenta<\/a><\/li>\n<\/ul>\n\n\n        <div id=\"book_a_demo\">\n            <div class=\"left-side\">\n                <div class=\"logo\">\n                    <img decoding=\"async\"\n                        src=\"https:\/\/pabau.com\/wp-content\/uploads\/2026\/01\/Logo.svg\"\n                        alt=\"Logo\"\n                        loading=\"lazy\"\n                    \/>\n                <\/div>\n\n                <h3 class=\"heading\">\n                    Streamline your gynecologic oncology billing                <\/h3>\n\n                <p class=\"description\">\n                    Pabau links ICD-10 diagnosis codes directly to your billing and claims workflows, so your team codes C54.1 at the point of care, not in a separate lookup. See how Pabau supports OB\/GYN and oncology practices.                <\/p>\n\n                <div class=\"button-group\">\n                    <a href=\"\/book-demo\/\" class=\"btn btn-scale-effect btn-cta-color btn-md\">\n                        <span class=\"btn-text\">Book a demo<\/span>\n                        <div class=\"btn-icon btn-icon-right\" aria-hidden=\"true\">\n                            <svg\n                                width=\"14\"\n                                height=\"12\"\n                                viewBox=\"0 0 14 12\"\n                                fill=\"none\"\n                                xmlns=\"http:\/\/www.w3.org\/2000\/svg\"\n                            >\n                                <path\n                                    d=\"M0.75 4.77295C0.335786 4.77295 0 5.10874 0 5.52295C0 5.93716 0.335786 6.27295 0.75 6.27295V5.52295V4.77295ZM13.2803 6.05328C13.5732 5.76039 13.5732 5.28551 13.2803 4.99262L8.50736 0.219648C8.21447 -0.073245 7.73959 -0.073245 7.4467 0.219648C7.15381 0.512542 7.15381 0.987415 7.4467 1.28031L11.6893 5.52295L7.4467 9.76559C7.15381 10.0585 7.15381 10.5334 7.4467 10.8263C7.73959 11.1191 8.21447 11.1191 8.50736 10.8263L13.2803 6.05328ZM0.75 5.52295V6.27295L12.75 6.27295V5.52295V4.77295L0.75 4.77295V5.52295Z\"\n                                    fill=\"currentColor\"\n                                ><\/path>\n                            <\/svg>\n                        <\/div>\n                    <\/a>\n                <\/div>\n            <\/div>\n\n            <div class=\"right-side\">\n                <img decoding=\"async\"\n                    src=\"https:\/\/pabau.com\/wp-content\/uploads\/2026\/01\/Home-Page-Concept-4.webp\"\n                    alt=\"Pabau claims management dashboard for gynecologic oncology billing\"\n                    loading=\"lazy\"\n                \/>\n            <\/div>\n        <\/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>Set up a macro or structured template in your clinical notes system that automatically prompts for FIGO stage, primary versus secondary status, and histological type whenever C54.1 is selected. This captures the details up front, before claims are submitted.<\/p>\n            <\/div>\n        <\/div>\n    \n\n\n<h2 class=\"wp-block-heading\">Conclusion<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Endometrial cancer claims denied or flagged for audit almost always trace back to one of two problems: using C55 when the site is documented, or submitting C54.1 without staging codes when the operative or pathology report supports them. Both stem from incomplete documentation at the point of care.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Practices that embed ICD-10 code selection into the clinical documentation workflow catch these errors before a claim is submitted. Pabau&#8217;s claims management software links diagnosis codes directly to the billing pipeline, cutting the manual transcription step where most C54.1 errors occur. Practices still comparing platforms can start with this medical billing software roundup. To see how Pabau supports OB\/GYN and oncology billing, <a href=\"https:\/\/pabau.com\/book-demo\/\">book a demo<\/a>.<\/p>\n\n\n        <div id=\"expert_picks\">\n            <div class=\"header\">\n                                    <img decoding=\"async\" src=\"https:\/\/pabau.com\/wp-content\/uploads\/2025\/11\/Expert-Picks.svg\" alt=\"Continue your research\" height=\"42\" width=\"42\">\n                                <h3>Continue your research<\/h3>\n            <\/div>\n            <div class=\"content\">\n                                                            <div class=\"item\">\n                            <div>\n                                <svg width=\"20\" height=\"27\" viewBox=\"0 0 20 27\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\">\n                                    <path\n                                        d=\"M18.6223 14.3857C19.1246 13.8975 19.1246 13.1045 18.6223 12.6162L12.1938 6.36621C11.6915 5.87793 10.8759 5.87793 10.3737 6.36621C9.87143 6.85449 9.87143 7.64746 10.3737 8.13574L14.6125 12.2529H2.28571C1.57455 12.2529 1 12.8115 1 13.5029C1 14.1943 1.57455 14.7529 2.28571 14.7529H14.6085L10.3777 18.8701C9.87545 19.3584 9.87545 20.1514 10.3777 20.6396C10.8799 21.1279 11.6955 21.1279 12.1978 20.6396L18.6263 14.3896L18.6223 14.3857Z\"\n                                        fill=\"#54B2D3\" \/>\n                                <\/svg>\n                            <\/div>\n                            <p><strong>Want to see how AI affects compliance workflows?<\/strong> <a href=\"https:\/\/pabau.com\/blog\/ai-in-healthcare-compliance\/\">AI in healthcare compliance<\/a> looks at where automation helps and where it introduces new risk.<\/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>Looking for coding compliance resources?<\/strong> <a href=\"https:\/\/pabau.com\/blog\/hipaa-compliance-for-medical-offices\/\">HIPAA compliance<\/a> for medical offices explains how to align clinical documentation with audit-ready standards.<\/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 to reduce claim denials across your practice?<\/strong> <a href=\"https:\/\/pabau.com\/software\/clinic-patient-management\/\">Client management features<\/a> in Pabau help structure patient data to support accurate, complete coding at every encounter.<\/p>\n                        <\/div>\n                                                <\/div>\n        <\/div>\n    \n\n\n<h2 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-1784190243529\"><h3 class=\"schema-faq-question\">What is ICD-10 Code C54.1 used for?<\/h3> <p class=\"schema-faq-answer\">ICD-10 Code C54.1 is the billable ICD-10-CM diagnosis code for malignant neoplasm of the endometrium, used to report primary endometrial cancer on claims and clinical documentation. It identifies the endometrium (the inner lining of the uterine corpus) as the confirmed primary site of malignancy, distinguishing it from other uterine cancers coded under C54.0, C54.2, C54.9, or C55.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1784190243530\"><h3 class=\"schema-faq-question\">Is C54.1 a billable ICD-10 code for FY2026?<\/h3> <p class=\"schema-faq-answer\">Yes. C54.1 is a billable, specific ICD-10-CM code valid for FY2026 claims submission, effective October 1, 2025. It has not been revised or retired in the FY2026 update. Confirm current status via the CDC\/NCHS ICD-10-CM web tool before each fiscal year&#8217;s claims begin.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1784190243531\"><h3 class=\"schema-faq-question\">What is the difference between C54.1 and C55?<\/h3> <p class=\"schema-faq-answer\">C54.1 requires documentation confirming the endometrium as the primary site; C55 is used only when the site within the uterus cannot be determined from available documentation. If the physician, pathology report, or operative note specifies endometrial involvement, C55 is not appropriate and C54.1 must be used.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1784190243532\"><h3 class=\"schema-faq-question\">What documentation is required to support ICD-10 Code C54.1?<\/h3> <p class=\"schema-faq-answer\">The medical record must confirm the endometrium as the primary malignant site, typically through a pathology report or physician attestation. Additional required documentation includes histological type, primary versus secondary status, FIGO stage where known, and the purpose of the encounter (active treatment vs. follow-up), since these determine correct code sequencing.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1784190243533\"><h3 class=\"schema-faq-question\">Which CPT codes are commonly used with C54.1?<\/h3> <p class=\"schema-faq-answer\">Common CPT codes paired with C54.1 include 58558 (hysteroscopy with endometrial biopsy), 58150 (total abdominal hysterectomy), 58571 (laparoscopic hysterectomy), and 58120 (dilation and curettage). E\/M codes 99213 to 99215 apply for follow-up and surveillance encounters. Always verify medical necessity pairings against current AMA CPT guidelines and payer local coverage determinations.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1784190243534\"><h3 class=\"schema-faq-question\">What are the most common coding errors for endometrial cancer?<\/h3> <p class=\"schema-faq-answer\">The most common errors are: using C55 when endometrial site is documented; omitting staging codes when the record supports FIGO staging; coding secondary endometrial malignancy as C54.1 instead of C79.x; and using C54.9 (unspecified corpus) when pathology specifies the endometrium. Each of these errors is detectable on audit and can trigger claim denial or request for additional documentation.<\/p> <\/div> <\/div>\n","protected":false},"excerpt":{"rendered":"<p>ICD-10 Code C54.1 is the billable, site-specific diagnostic code for malignant neoplasm of the endometrium, the inner lining of the uterine corpus. Endometrial cancer is the most common gynecologic malignancy in the United States. Using the unspecified uterine code C55 when the chart documents endometrial involvement is one of the most frequently flagged errors in [&hellip;]<\/p>\n","protected":false},"author":77,"featured_media":157170,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_yoast_wpseo_linkdex":"88","_yoast_wpseo_content_score":"30","_yoast_wpseo_is_cornerstone":"","_yoast_wpseo_keywordsynonyms":"[\"\",\"\",\"\",\"\",\"\",\"\"]","_yoast_wpseo_focuskw_text_input":"","_seo_original_html":"","footnotes":""},"categories":[1549,1550],"tags":[1518,3283,1386,3741],"class_list":["post-157171","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-diagnostic-codes","category-icd-10-cm","tag-cancer-coding","tag-gynecology-coding","tag-icd","tag-oncology-coding"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v28.2 (Yoast SEO v28.2) - 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It identifies the endometrium (the inner lining of the uterine corpus) as the confirmed primary site of malignancy, distinguishing it from other uterine cancers coded under C54.0, C54.2, C54.9, or C55.\",\"inLanguage\":\"de\"},\"inLanguage\":\"de\"},{\"@type\":\"Question\",\"@id\":\"https:\\\/\\\/pabau.com\\\/de\\\/diagnostic-codes\\\/icd-10-code-c541\\\/#faq-question-1784190243530\",\"position\":2,\"url\":\"https:\\\/\\\/pabau.com\\\/de\\\/diagnostic-codes\\\/icd-10-code-c541\\\/#faq-question-1784190243530\",\"name\":\"Is C54.1 a billable ICD-10 code for FY2026?\",\"answerCount\":1,\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes. C54.1 is a billable, specific ICD-10-CM code valid for FY2026 claims submission, effective October 1, 2025. It has not been revised or retired in the FY2026 update. Confirm current status via the CDC\\\/NCHS ICD-10-CM web tool before each fiscal year's claims begin.\",\"inLanguage\":\"de\"},\"inLanguage\":\"de\"},{\"@type\":\"Question\",\"@id\":\"https:\\\/\\\/pabau.com\\\/de\\\/diagnostic-codes\\\/icd-10-code-c541\\\/#faq-question-1784190243531\",\"position\":3,\"url\":\"https:\\\/\\\/pabau.com\\\/de\\\/diagnostic-codes\\\/icd-10-code-c541\\\/#faq-question-1784190243531\",\"name\":\"What is the difference between C54.1 and C55?\",\"answerCount\":1,\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"C54.1 requires documentation confirming the endometrium as the primary site; C55 is used only when the site within the uterus cannot be determined from available documentation. If the physician, pathology report, or operative note specifies endometrial involvement, C55 is not appropriate and C54.1 must be used.\",\"inLanguage\":\"de\"},\"inLanguage\":\"de\"},{\"@type\":\"Question\",\"@id\":\"https:\\\/\\\/pabau.com\\\/de\\\/diagnostic-codes\\\/icd-10-code-c541\\\/#faq-question-1784190243532\",\"position\":4,\"url\":\"https:\\\/\\\/pabau.com\\\/de\\\/diagnostic-codes\\\/icd-10-code-c541\\\/#faq-question-1784190243532\",\"name\":\"What documentation is required to support ICD-10 Code C54.1?\",\"answerCount\":1,\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"The medical record must confirm the endometrium as the primary malignant site, typically through a pathology report or physician attestation. Additional required documentation includes histological type, primary versus secondary status, FIGO stage where known, and the purpose of the encounter (active treatment vs. follow-up), since these determine correct code sequencing.\",\"inLanguage\":\"de\"},\"inLanguage\":\"de\"},{\"@type\":\"Question\",\"@id\":\"https:\\\/\\\/pabau.com\\\/de\\\/diagnostic-codes\\\/icd-10-code-c541\\\/#faq-question-1784190243533\",\"position\":5,\"url\":\"https:\\\/\\\/pabau.com\\\/de\\\/diagnostic-codes\\\/icd-10-code-c541\\\/#faq-question-1784190243533\",\"name\":\"Which CPT codes are commonly used with C54.1?\",\"answerCount\":1,\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Common CPT codes paired with C54.1 include 58558 (hysteroscopy with endometrial biopsy), 58150 (total abdominal hysterectomy), 58571 (laparoscopic hysterectomy), and 58120 (dilation and curettage). E\\\/M codes 99213 to 99215 apply for follow-up and surveillance encounters. 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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\/de\/#\/schema\/person\/5de22f4ff3ec59b1925ef02dce956d7d","name":"Katy Piper","image":{"@type":"ImageObject","inLanguage":"de","@id":"https:\/\/pabau.com\/wp-content\/uploads\/2026\/03\/cropped-Snip20260306_177-96x96.png","url":"https:\/\/pabau.com\/wp-content\/uploads\/2026\/03\/cropped-Snip20260306_177-96x96.png","contentUrl":"https:\/\/pabau.com\/wp-content\/uploads\/2026\/03\/cropped-Snip20260306_177-96x96.png","caption":"Katy Piper"},"description":"Katy Piper is a content writer covering aesthetics, dermatology, and clinic operations, with a knack for making clinical detail feel approachable. Outside of work, she's usually chasing her border collie around muddy fields or hunting down the best flat white in town.","url":"https:\/\/pabau.com\/de\/blog\/author\/katy-piper\/"},{"@type":"Question","@id":"https:\/\/pabau.com\/de\/diagnostic-codes\/icd-10-code-c541\/#faq-question-1784190243529","position":1,"url":"https:\/\/pabau.com\/de\/diagnostic-codes\/icd-10-code-c541\/#faq-question-1784190243529","name":"What is ICD-10 Code C54.1 used for?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"ICD-10 Code C54.1 is the billable ICD-10-CM diagnosis code for malignant neoplasm of the endometrium, used to report primary endometrial cancer on claims and clinical documentation. It identifies the endometrium (the inner lining of the uterine corpus) as the confirmed primary site of malignancy, distinguishing it from other uterine cancers coded under C54.0, C54.2, C54.9, or C55.","inLanguage":"de"},"inLanguage":"de"},{"@type":"Question","@id":"https:\/\/pabau.com\/de\/diagnostic-codes\/icd-10-code-c541\/#faq-question-1784190243530","position":2,"url":"https:\/\/pabau.com\/de\/diagnostic-codes\/icd-10-code-c541\/#faq-question-1784190243530","name":"Is C54.1 a billable ICD-10 code for FY2026?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"Yes. C54.1 is a billable, specific ICD-10-CM code valid for FY2026 claims submission, effective October 1, 2025. It has not been revised or retired in the FY2026 update. Confirm current status via the CDC\/NCHS ICD-10-CM web tool before each fiscal year's claims begin.","inLanguage":"de"},"inLanguage":"de"},{"@type":"Question","@id":"https:\/\/pabau.com\/de\/diagnostic-codes\/icd-10-code-c541\/#faq-question-1784190243531","position":3,"url":"https:\/\/pabau.com\/de\/diagnostic-codes\/icd-10-code-c541\/#faq-question-1784190243531","name":"What is the difference between C54.1 and C55?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"C54.1 requires documentation confirming the endometrium as the primary site; C55 is used only when the site within the uterus cannot be determined from available documentation. If the physician, pathology report, or operative note specifies endometrial involvement, C55 is not appropriate and C54.1 must be used.","inLanguage":"de"},"inLanguage":"de"},{"@type":"Question","@id":"https:\/\/pabau.com\/de\/diagnostic-codes\/icd-10-code-c541\/#faq-question-1784190243532","position":4,"url":"https:\/\/pabau.com\/de\/diagnostic-codes\/icd-10-code-c541\/#faq-question-1784190243532","name":"What documentation is required to support ICD-10 Code C54.1?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"The medical record must confirm the endometrium as the primary malignant site, typically through a pathology report or physician attestation. Additional required documentation includes histological type, primary versus secondary status, FIGO stage where known, and the purpose of the encounter (active treatment vs. follow-up), since these determine correct code sequencing.","inLanguage":"de"},"inLanguage":"de"},{"@type":"Question","@id":"https:\/\/pabau.com\/de\/diagnostic-codes\/icd-10-code-c541\/#faq-question-1784190243533","position":5,"url":"https:\/\/pabau.com\/de\/diagnostic-codes\/icd-10-code-c541\/#faq-question-1784190243533","name":"Which CPT codes are commonly used with C54.1?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"Common CPT codes paired with C54.1 include 58558 (hysteroscopy with endometrial biopsy), 58150 (total abdominal hysterectomy), 58571 (laparoscopic hysterectomy), and 58120 (dilation and curettage). E\/M codes 99213 to 99215 apply for follow-up and surveillance encounters. Always verify medical necessity pairings against current AMA CPT guidelines and payer local coverage determinations.","inLanguage":"de"},"inLanguage":"de"},{"@type":"Question","@id":"https:\/\/pabau.com\/de\/diagnostic-codes\/icd-10-code-c541\/#faq-question-1784190243534","position":6,"url":"https:\/\/pabau.com\/de\/diagnostic-codes\/icd-10-code-c541\/#faq-question-1784190243534","name":"What are the most common coding errors for endometrial cancer?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"The most common errors are: using C55 when endometrial site is documented; omitting staging codes when the record supports FIGO staging; coding secondary endometrial malignancy as C54.1 instead of C79.x; and using C54.9 (unspecified corpus) when pathology specifies the endometrium. Each of these errors is detectable on audit and can trigger claim denial or request for additional documentation.","inLanguage":"de"},"inLanguage":"de"}]}},"yoast":{"focus_keyword":"ICD-10 Code C54.1","seo_title":"ICD-10 Code C54.1: Malignant neoplasm of endometrium (FY2026)","meta_description":"ICD-10 Code C54.1 is the billable FY2026 code for malignant neoplasm of the endometrium, distinct from C55, C54.2, and C54.9.","content_score":"30","is_cornerstone":"","related_keyphrases":[{"keyword":"C54.1 billable code","score":83},{"keyword":"uterine cancer icd 10 code","score":61},{"keyword":"endometrial cancer coding guidelines","score":61},{"keyword":"endometrial cancer staging codes","score":61},{"keyword":"corpus uteri cancer icd 10","score":56}]},"_links":{"self":[{"href":"https:\/\/pabau.com\/de\/wp-json\/wp\/v2\/posts\/157171","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pabau.com\/de\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/pabau.com\/de\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/pabau.com\/de\/wp-json\/wp\/v2\/users\/77"}],"replies":[{"embeddable":true,"href":"https:\/\/pabau.com\/de\/wp-json\/wp\/v2\/comments?post=157171"}],"version-history":[{"count":3,"href":"https:\/\/pabau.com\/de\/wp-json\/wp\/v2\/posts\/157171\/revisions"}],"predecessor-version":[{"id":179224,"href":"https:\/\/pabau.com\/de\/wp-json\/wp\/v2\/posts\/157171\/revisions\/179224"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/pabau.com\/de\/wp-json\/wp\/v2\/media\/157170"}],"wp:attachment":[{"href":"https:\/\/pabau.com\/de\/wp-json\/wp\/v2\/media?parent=157171"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/pabau.com\/de\/wp-json\/wp\/v2\/categories?post=157171"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/pabau.com\/de\/wp-json\/wp\/v2\/tags?post=157171"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}