Malignant neoplasms of female genital organs (C51-C58)
chapter 2: Neoplasms
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Instructional notes
Includes: conditions that are coded here
- malignant neoplasm of skin of female genital organs
Official coding guidelines
From the ICD-10-CM Official Guidelines for Coding and Reporting, FY 2027 (CMS and NCHS). Links open the PDF at the right page.
Rules for coding benign and malignant neoplasms: using the Neoplasm Table, sequencing primary and secondary sites, treatment encounters, complications, and current cancer versus personal history.
- Admission/Encounter for treatment of primary site (page 33)
- Admission/Encounter for treatment of secondary site (page 33)
- Coding and sequencing of complications (page 34)
- Primary malignancy previously excised (page 34)
- Admissions/Encounters involving antineoplastic chemotherapy, immunotherapy and radiation therapy (page 35)
- Admission/encounter to determine extent of malignancy (page 36)
- Symptoms, signs, and abnormal findings listed in Chapter 18 associated with neoplasms (page 36)
- Admission/encounter for pain control/management (page 36)
All codes under C51-C58
C51-C58 can't be used on a claim. Pick a billable code below; grey headings group them.
- C51Malignant neoplasm of vulva
- C51.0Malignant neoplasm of labium majus
- C51.1Malignant neoplasm of labium minus
- C51.2Malignant neoplasm of clitoris
- C51.8Malignant neoplasm of overlapping sites of vulva
- C51.9Malignant neoplasm of vulva, unspecified
- C52Malignant neoplasm of vagina
- C53Malignant neoplasm of cervix uteri
- C53.0Malignant neoplasm of endocervix
- C53.1Malignant neoplasm of exocervix
- C53.8Malignant neoplasm of overlapping sites of cervix uteri
- C53.9Malignant neoplasm of cervix uteri, unspecified
- C54Malignant neoplasm of corpus uteri
- C54.0Malignant neoplasm of isthmus uteri
- C54.1Malignant neoplasm of endometrium
- C54.2Malignant neoplasm of myometrium
- C54.3Malignant neoplasm of fundus uteri
- C54.8Malignant neoplasm of overlapping sites of corpus uteri
- C54.9Malignant neoplasm of corpus uteri, unspecified
- C55Malignant neoplasm of uterus, part unspecified
- C56Malignant neoplasm of ovary
- C56.1Malignant neoplasm of right ovary
- C56.2Malignant neoplasm of left ovary
- C56.3Malignant neoplasm of bilateral ovaries
- C56.9Malignant neoplasm of unspecified ovary
- C57Malignant neoplasm of other and unspecified female genital organs
- C57.0Malignant neoplasm of fallopian tube
- C57.00Malignant neoplasm of unspecified fallopian tube
- C57.01Malignant neoplasm of right fallopian tube
- C57.02Malignant neoplasm of left fallopian tube
- C57.1Malignant neoplasm of broad ligament
- C57.10Malignant neoplasm of unspecified broad ligament
- C57.11Malignant neoplasm of right broad ligament
- C57.12Malignant neoplasm of left broad ligament
- C57.2Malignant neoplasm of round ligament
- C57.20Malignant neoplasm of unspecified round ligament
- C57.21Malignant neoplasm of right round ligament
- C57.22Malignant neoplasm of left round ligament
- C57.3Malignant neoplasm of parametrium
- C57.4Malignant neoplasm of uterine adnexa, unspecified
- C57.7Malignant neoplasm of other specified female genital organs
- C57.8Malignant neoplasm of overlapping sites of female genital organs
- C57.9Malignant neoplasm of female genital organ, unspecified
- C58Malignant neoplasm of placenta
C51-C58 MS-DRGs
This code does not group to an MS-DRG as a principal diagnosis.
About the condition
Plain-language background from MedlinePlus (National Library of Medicine), not coding guidance.
Vulvar Cancer
Vulvar cancer is a rare type of cancer. It forms in a woman's external genitals, called the vulva. The cancer usually grows slowly over several years. First, precancerous cells grow on vulvar skin. This is called vulvar intraepithelial neoplasia (VIN), or dysplasia. Not all VIN cases turn into cancer, but it is best to treat it early.
Read more about vulvar cancer on MedlinePlus