K63.3 is the ICD-10 code for Ulcer of intestine. It is a four-character subcategory of K63 (Other diseases of intestine), the most specific level in the WHO edition. It belongs to the block K55–K64 (Other diseases of intestines) in Chapter XI, Diseases of the digestive system.
- Code type
- Subcategory (4 characters)
- Chapter
- XI · K00–K93
- Classification
- WHO ICD-10, 2019 version
What K63.3 includes
Conditions and terms that are coded here.
- Primary ulcer of small intestine
What K63.3 excludes
Conditions that look similar but belong under another code.
K63.3 in national editions
Countries report with their own edition of ICD-10. Most keep the WHO code and add more specific codes beneath it.
K63.3Sår i tarmen
K63.3Sår i tarm
DK633Tarmsår
K63.3Suolen haavauma
K63.3Darmulkus
K63.3Ulcère de l'intestin
K63.3darmzweer
K63.3Ulcer of intestine
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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