C51.9 MALIGNANT NEOPLASM OF VULVA, UNSPECIFIED

Code Information

Diagnosis Code: C51.9

Short Description: Malignant neoplasm of vulva, unspecified

Long Description: Malignant neoplasm of vulva, unspecified

Code Classification:

  • Neoplasms (C00–D48)
    • Malignant neoplasms of female genital organs (C51-C58)
      • Malignant neoplasm of vulva (C51)
        • C51.9 Malignant neoplasm of vulva, unspecified

This code is valid for diagnoses for females only

Code Version: 2017 ICD-10-CM

Diagnostic Related Group(s)

The code C51.9 is grouped in the following Diagnostic Related Group(s) (MS-DRG v32.0)
  • Uterine And Adnexa Procedures For Ovarian Or Adnexal Malignancy With Mcc (736)
  • Uterine And Adnexa Procedures For Ovarian Or Adnexal Malignancy With Cc (737)
  • UTERINE AND ADNEXA PROCEDURES FOR OVARIAN OR ADNEXAL MALIGNANCY WITHOUT CC/MCCWithout Cc/mcc (738)
  • Uterine, Adnexa Procedures For Non-ovarian And Non-adnexal Malignancy With Mcc (739)
  • Uterine, Adnexa Procedures For Non-ovarian And Non-adnexal Malignancy With Cc (740)
  • Uterine, Adnexa Procedures For Non-ovarian And Non-adnexal Malignancy Without Cc/mcc (741)

References to Index of Diseases and Injuries

The code C51.9 has the following ICD-10-CM references to the Index of Diseases and Injuries
  • Inclusion Terms:
    • Malignant neoplasm of external female genitalia NOS
    • Malignant neoplasm of pudendum

Crosswalk Information

ICD-10 Code ICD-9 Code ICD-9 Description
C51.9 Right Arrow 184.4 Malign neopl vulva NOS
This ICD-10 to ICD-9 data is based on the 2015 General Equivalency Mapping (GEM) files published by the Centers for Medicare & Medicaid Services (CMS) for informational purposes only. The data is not an ICD-10 conversion tool and doesn’t guarantee clinical accuracy.

Similar Codes

No. ICD-10 Code ICD-10 Description
1 C51 Malignant neoplasm of vulva
2 C51.0 Malignant neoplasm of labium majus
3 C51.1 Malignant neoplasm of labium minus
4 C51.2 Malignant neoplasm of clitoris
5 C51.8 Malignant neoplasm of overlapping sites of vulva



This page was last updated on: 1/1/2017