ICD-10-CM · Chapter 11 · K00-K95
K66 Other disorders of peritoneum
Excludes 2 (not included here)
- ascites (R18.-)
- peritoneal effusion (chronic) (R18.8)
Subcodes
Subcodes are listed below for reference. Detail pages are not available for chapters 11–22.
| Code | Description | Billable |
|---|---|---|
| K66..0 | Peritoneal adhesions (postprocedural) (postinfection) | Yes |
| K66..1 | Hemoperitoneum | Yes |
| K66..8 | Other specified disorders of peritoneum | Yes |
| K66..9 | Disorder of peritoneum, unspecified | Yes |
Last reviewed: September 2026