C51 ICD-10-CM Code: Malignant neoplasm of vulva
A clear reference for the official code description, hierarchy, and related coding information from the April 2026 U.S. release.
Code definition
Official description
C51Malignant neoplasm of vulva
ICD-10-CM diagnosis code · United States clinical modification
Classification
Where C51 sits
- 1
Chapter 2
Neoplasms (C00-D49)
- 2
Section
Malignant neoplasms of female genital organs (C51-C58)
- 3
Category C51
Malignant neoplasm of vulva
- 4
Code C51
Malignant neoplasm of vulva
More specific choices
Codes under C51
C51 is a non-billable category. Choose the child code that best matches the documented diagnosis.
Documentation details
Notes for this code
Inclusion terms
No inclusion terms are listed for C51.
Code first
No “code first” instruction is listed for C51.
Use additional code
No “use additional code” instruction is listed for C51.
Excludes1
Conditions that should not be reported together with this code.
- carcinoma in situ of vulva (D07.1)
Excludes2
Conditions not included here that may be reported separately when present.
No Excludes2 note is listed for C51.
Transparency
Source and release
This reference is generated from Vero’s ICD-10-CM description, hierarchy, and code-note dataset. The visible content and structured data share that source.
Review the CDC/NCHS ICD-10-CM sourceCode-specific guidance
Frequently asked questions
What does ICD-10-CM code C51 mean?
C51 is the April 2026 U.S. ICD-10-CM code for “Malignant neoplasm of vulva.”
Is C51 a billable or specific ICD-10-CM code?
No. C51 has more specific child codes in the April 2026 reference data. Select the code that matches the documentation and confirm the active code set and payer requirements.
Where is C51 located in ICD-10-CM?
C51 is listed in Chapter 2, Neoplasms (C00-D49), within Malignant neoplasms of female genital organs (C51-C58) (C51–C58), under category C51, Malignant neoplasm of vulva.
What coding notes are listed for C51?
No inclusion terms are listed for C51 in this reference record. No code-first instruction is listed. Excludes1 notes: carcinoma in situ of vulva (D07.1). No Excludes2 note is listed.
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