C20 is the ICD-10 code for Malignant neoplasm of rectum. It is a three-character category that is not subdivided further. It belongs to the block C15–C26 (Malignant neoplasms of digestive organs) in Chapter II, Neoplasms.
- Code type
- Category (3 characters)
- Chapter
- II · C00–D48
- Classification
- WHO ICD-10, 2019 version
What C20 includes
Conditions and terms that are coded here.
- Rectal ampulla
C20 in national editions
Countries report with their own edition of ICD-10. Most keep the WHO code and add more specific codes beneath it.
C20Ondartet svulst i rektum
DC20Kræft i endetarmen
- DC209Kræft i endetarmen
C20Peräsuolen syöpä
C20Bösartige Neubildung des Rektums
C20Tumeur maligne du rectum
C20maligne neoplasma van rectum
C20Malignant neoplasm of rectum
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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