C51 Malignant neoplasm of vulva

⚠ Non-Billable ICD-10-CM 2026
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The ICD-10-CM code for Malignant neoplasm of vulva is C51 (FY2026). It is a non-billable category code — select a more specific code below for claims.

Classification

Section
C51-C58: Malignant neoplasms of female genital organs (C51-C58)
Category C51
6 codes (5 billable)
FY2026 Status
Stable since FY2024
Excludes1
Not coded here. These conditions should NOT be coded together with C51.
  • carcinoma in situ of vulva (D07.1)

Official Coding Guidelines

Tx of primary site (TOC entry)

a. Admission/Encounter for treatment of primary site ............................................................. 33

— ICD-10-CM Official Guidelines for Coding and Reporting, FY2026, Section I.C.2.a
Tx of secondary site (TOC entry)

b. Admission/Encounter for treatment of secondary site .......................................................... 33

— ICD-10-CM Official Guidelines for Coding and Reporting, FY2026, Section I.C.2.b

Source: CMS — ICD-10-CM Official Guidelines for Coding and Reporting, FY2026

References

Cite This Page

Reference C51 with the canonical source and edition:

C51 — Malignant neoplasm of vulva. ICD-10 Coding Pro (ICD-10-CM FY2026). https://icd10codingpro.com/codes/C51

Canonical URL: https://icd10codingpro.com/codes/C51

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Reviewed by Prajwal Shrestha, CPC, CRC
Certified Professional Coder (CPC) and Certified Risk Adjustment Coder (CRC) · AAPC Member ID 01997614 · About · Editorial policy · Content last reviewed: 2025-10-01

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