K65 Peritonitis
ICD-10-CM category K65 sits in Chapter 11 (Diseases of the digestive system, K00-K95). It contains 7 billable codes for FY2027, effective October 1, 2026 to September 30, 2027. Always code to the most specific code available: a code with more characters that describes the diagnosis more precisely takes priority over a shorter one.
Billable codes in K65
| Code | Description |
|---|---|
K65.0 | Generalized (acute) peritonitis |
K65.1 | Peritoneal abscess |
K65.2 | Spontaneous bacterial peritonitis |
K65.3 | Choleperitonitis |
K65.4 | Sclerosing mesenteritis |
K65.8 | Other peritonitis |
K65.9 | Peritonitis, unspecified |
Search within ICD-10-CM for K65 and related codes
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