2026 ICD-10-CM Diagnosis Code C51Malignant neoplasm of vulva
C51 is a non-billable ICD-10-CM category code for malignant neoplasm of vulva, so it cannot be submitted on claims. Use a more specific code from this category instead, such as C51.0, C51.1, C51.2, and C51.8.
Code Identity
Code Classification
Specific Coding for Malignant neoplasm of vulvaOverview
Non-specific codes like C51 require more characters. Use one of these billable codes instead:
Tabular List NotesGuidance
Coding notes and annotation back-references applicable to this code.
Type 1 Excludes
- carcinoma in situ of vulva D07.1
A type 1 excludes note is a pure excludes note. It means "NOT CODED HERE!" An Excludes1 note indicates that the code excluded should never be used at the same time as the code above the Excludes1 note. An Excludes1 is used when two conditions cannot occur together, such as a congenital form versus an acquired form of the same condition.
Patient EducationClinical
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 the full article at MedlinePlus
Courtesy of MedlinePlus, a service of the U.S. National Library of Medicine.
