C51.9 is the ICD-10 code for Malignant neoplasm: Vulva, unspecified. It is a four-character subcategory of C51 (Malignant neoplasm of vulva), the most specific level in the WHO edition. It belongs to the block C51–C58 (Malignant neoplasms of female genital organs) in Chapter II, Neoplasms.
- Code type
- Subcategory (4 characters)
- Chapter
- II · C00–D48
- Classification
- WHO ICD-10, 2019 version
What C51.9 includes
Conditions and terms that are coded here.
- External female genitalia NOS
- Pudendum
C51.9 in national editions
Countries report with their own edition of ICD-10. Most keep the WHO code and add more specific codes beneath it.
C51.9Ondartet svulst med uspesifisert lokalisasjon i ytre kvinnelige kjønnsorganer
DC519Kræft i ydre kvindelige kønsorganer UNS
C51.9Vulva, nicht näher bezeichnet
C51.9Vulve, sans précision
C51.9vulva, niet-gespecificeerd
C51.9Malignant neoplasm of vulva, unspecified
Based on the World Health Organization’s International Statistical Classification of Diseases and Related Health Problems, 10th revision (ICD-10), 2019 version, and the national editions published by each country’s health authority. This page is a reference, not coding advice; follow your national coding rules when you report.
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