C51-C58
Malignant neoplasms of female genital organs
Block coding notes
Excludes 1 never together · Excludes 2 may co-exist
Includes
malignant neoplasm of skin of female genital organs
Codes in this block
44 codes
Billableusable codeNon-billableheader / grouping codeRisk-adjusting
- C51Malignant neoplasm of vulvaNon-billable
- C51.0Malignant neoplasm of labium majusBillable
- C51.1Malignant neoplasm of labium minusBillable
- C51.2Malignant neoplasm of clitorisBillable
- C51.8Malignant neoplasm of overlapping sites of vulvaBillable
- C51.9Malignant neoplasm of vulva, unspecifiedBillable
- C52Malignant neoplasm of vaginaBillable
- C53Malignant neoplasm of cervix uteriNon-billable
- C53.0Malignant neoplasm of endocervixBillable
- C53.1Malignant neoplasm of exocervixBillable
- C53.8Malignant neoplasm of overlapping sites of cervix uteriBillable
- C53.9Malignant neoplasm of cervix uteri, unspecifiedBillable
- C54Malignant neoplasm of corpus uteriNon-billable
- C54.0Malignant neoplasm of isthmus uteriBillable
- C54.1Malignant neoplasm of endometriumBillable
- C54.2Malignant neoplasm of myometriumBillable
- C54.3Malignant neoplasm of fundus uteriBillable
- C54.8Malignant neoplasm of overlapping sites of corpus uteriBillable
- C54.9Malignant neoplasm of corpus uteri, unspecifiedBillable
- C55Malignant neoplasm of uterus, part unspecifiedBillable
- C56Malignant neoplasm of ovaryNon-billable
- C56.1Malignant neoplasm of right ovaryBillable
- C56.2Malignant neoplasm of left ovaryBillable
- C56.3Malignant neoplasm of bilateral ovariesBillable
- C56.9Malignant neoplasm of unspecified ovaryBillable
- C57Malignant neoplasm of other and unspecified female genital organsNon-billable
- C57.0Malignant neoplasm of fallopian tubeNon-billable
- C57.00Malignant neoplasm of unspecified fallopian tubeBillable
- C57.01Malignant neoplasm of right fallopian tubeBillable
- C57.02Malignant neoplasm of left fallopian tubeBillable
- C57.1Malignant neoplasm of broad ligamentNon-billable
- C57.10Malignant neoplasm of unspecified broad ligamentBillable
- C57.11Malignant neoplasm of right broad ligamentBillable
- C57.12Malignant neoplasm of left broad ligamentBillable
- C57.2Malignant neoplasm of round ligamentNon-billable
- C57.20Malignant neoplasm of unspecified round ligamentBillable
- C57.21Malignant neoplasm of right round ligamentBillable
- C57.22Malignant neoplasm of left round ligamentBillable
- C57.3Malignant neoplasm of parametriumBillable
- C57.4Malignant neoplasm of uterine adnexa, unspecifiedBillable
- C57.7Malignant neoplasm of other specified female genital organsBillable
- C57.8Malignant neoplasm of overlapping sites of female genital organsBillable
- C57.9Malignant neoplasm of female genital organ, unspecifiedBillable
- C58Malignant neoplasm of placentaBillable
Official Guidelines for C51-C58
FY 2026 ›I.C.2Chapter-specific guidanceChapter 2: Neoplasms (C00-D49)
Subsections
- I.C.2.aAdmission/Encounter for treatment of primary site
- I.C.2.bAdmission/Encounter for treatment of secondary site
- I.C.2.cCoding and sequencing of complications
- I.C.2.dPrimary malignancy previously excised
- I.C.2.eAdmissions/Encounters involving antineoplastic chemotherapy, immunotherapy and radiation therapy
- I.C.2.fAdmission/encounter to determine extent of malignancy
- I.C.2.gSymptoms, signs, and abnormal findings listed in Chapter 18 associated with neoplasms
- I.C.2.hAdmission/encounter for pain control/management
- I.C.2.iMalignancy in two or more noncontiguous sites
- I.C.2.jDisseminated malignant neoplasm, unspecified
- I.C.2.kMalignant neoplasm without specification of site
- I.C.2.lSequencing of neoplasm codes
- I.C.2.mCurrent malignancy versus personal history of malignancy
- I.C.2.nLeukemia, Multiple Myeloma, and Malignant Plasma Cell
- I.C.2.oAftercare following surgery for neoplasm
- I.C.2.pFollow-up care for completed treatment of a malignancy
- I.C.2.qProphylactic organ removal for prevention of malignancy
- I.C.2.rMalignant neoplasm associated with transplanted organ
- I.C.2.sBreast Implant Associated Anaplastic Large Cell Lymphoma
- I.C.2.tSecondary malignant neoplasm of lymphoid tissue