K50.9 is the ICD-10 code for Crohn disease, unspecified. 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 K50.9 includes
Conditions and terms that are coded here.
- Regional enteritis NOS
K50.9 in national editions
Countries report with their own edition of ICD-10. Most keep the WHO code and add more specific codes beneath it.
K50.9Crohns sykdom med uspesifisert lokalisasjon
DK509Crohns sygdom UNS
K50.9Määrittämätön Crohnin tauti
K50.9Crohn-Krankheit, nicht näher bezeichnet
K50.9Maladie de Crohn, sans précision
K50.9ziekte van Crohn, niet-gespecificeerd
Listed through more specific codes:
- K50.90Crohn's disease, unspecified, 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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