ICD-10-CM > C00-D49 > C51-C58 > C54 C54 Malignant neoplasm of corpus uteri Non-Billable/Non-Specific Codes C54.0Malignant neoplasm of isthmus uteriC54.1Malignant neoplasm of endometriumC54.2Malignant neoplasm of myometriumC54.3Malignant neoplasm of fundus uteriC54.8Malignant neoplasm of overlapping sites of corpus uteriC54.9Malignant neoplasm of corpus uteri, unspecified