K35.8 is the ICD-10 code for Acute appendicitis, other and unspecified. It is a four-character subcategory of K35 (Acute appendicitis), the most specific level in the WHO edition. It belongs to the block K35–K38 (Diseases of appendix) in Chapter XI, Diseases of the digestive system.
- Code type
- Subcategory (4 characters)
- Chapter
- XI · K00–K93
- Classification
- WHO ICD-10, 2019 version
What K35.8 includes
Conditions and terms that are coded here.
- Acute appendicitis without mention of localized or generalized peritonitis
K35.8 in national editions
Countries report with their own edition of ICD-10. Most keep the WHO code and add more specific codes beneath it.
K35.8Annen eller uspesifisert akutt appendisitt
DK358Anden og ikke specificeret akut appendicitis
- DK358AAkut appendicitis UNS
- DK358BAkut gangrænøs appendicitis
- DK358CAkut flegmonøs appendicitis
K35.8Akute Appendizitis, nicht näher bezeichnet
K35.8Appendicite aigüe, autre et non précisée
K35.8acute appendicitis, overig en niet-gespecificeerd
Listed through more specific codes:
- K35.80Unspecified acute appendicitis
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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