K65.9 is the ICD-10 code for Peritonitis, unspecified. It is a four-character subcategory of K65 (Peritonitis), the most specific level in the WHO edition. It belongs to the block K65–K67 (Diseases of peritoneum) in Chapter XI, Diseases of the digestive system.
- Code type
- Subcategory (4 characters)
- Chapter
- XI · K00–K93
- Classification
- WHO ICD-10, 2019 version
K65.9 in national editions
Countries report with their own edition of ICD-10. Most keep the WHO code and add more specific codes beneath it.
K65.9Uspesifisert peritonitt
DK659Peritonitis UNS
K65.9Määrittämätön vatsakalvotulehdus
K65.9Peritonitis, nicht näher bezeichnet
K65.9Péritonite, sans précision
K65.9peritonitis, niet-gespecificeerd
K65.9Peritonitis, unspecified
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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