K50.1 is the ICD-10 code for Crohn disease of large intestine. It is a four-character subcategory of K50 (Crohn disease [regional enteritis]), the most specific level in the WHO edition. It belongs to the block K50–K52 (Noninfective enteritis and colitis) in Chapter XI, Diseases of the digestive system.
- Code type
- Subcategory (4 characters)
- Chapter
- XI · K00–K93
- Classification
- WHO ICD-10, 2019 version
What K50.1 includes
Conditions and terms that are coded here.
- Colitis:
- granulomatous
- regional
- Crohn disease [regional enteritis] of:
- colon
- large bowel
- rectum
What K50.1 excludes
Conditions that look similar but belong under another code.
- with Crohn disease of small intestine K50.8
K50.1 in national editions
Countries report with their own edition of ICD-10. Most keep the WHO code and add more specific codes beneath it.
K50.1Crohns sykdom i tykktarm
DK501Crohns sygdom i tyktarmen
- DK501DCrohns sygdom i endetarmen
K50.1Crohnin taudin koliitti
K50.1Crohn-Krankheit des Dickdarmes
K50.1Maladie de Crohn du gros intestin
K50.1ziekte van Crohn van dikke darm
Listed through more specific codes:
- K50.10Crohn's disease of large intestine without complications
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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