C21.2 is the ICD-10 code for Malignant neoplasm: Cloacogenic zone. It is a four-character subcategory of C21 (Malignant neoplasm of anus and anal canal), the most specific level in the WHO edition. It belongs to the block C15–C26 (Malignant neoplasms of digestive organs) in Chapter II, Neoplasms.
- Code type
- Subcategory (4 characters)
- Chapter
- II · C00–D48
- Classification
- WHO ICD-10, 2019 version
C21.2 in national editions
Countries report with their own edition of ICD-10. Most keep the WHO code and add more specific codes beneath it.
C21.2Ondartet svulst i kloakkogen sone
DC212Neoplasma malignum cloacogenica ani
C21.2Kloakenregion
C21.2Zone cloacale
C21.2cloacogene zone
C21.2Malignant neoplasm of cloacogenic zone
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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