K65.1 vs K6A.09
K65.1 (Peritoneal abscess) compared with K6A.09 (Other pelvic abscess), from the official CMS tabular data. Both may be reported when both conditions are documented (Excludes2).
Can these codes be reported together?
Yes, when both are documented. K65.1 carries an Excludes2 note covering K6A.09: “pelvic abscess (extraperitoneal) (K6A.0-)”
Excludes2 marks distinct conditions — both may be reported when both are documented.
Yes, when both are documented. K6A.09 carries an Excludes2 note covering K65.1: “peritoneal abscess (K65.1)”
Excludes2 marks distinct conditions — both may be reported when both are documented.
Side by side
| K65.1Peritoneal abscess | K6A.09Other pelvic abscess | |
|---|---|---|
| Billing status | Billable | Billable |
| Classification | K00-K95 — Diseases of the Digestive System (K00-K95) | K00-K95 — Diseases of the Digestive System (K00-K95) |
| Definition | Peritoneal abscess is a billable ICD-10-CM diagnosis code (K65.1). | — |
| Includes | Abdominopelvic abscess Abscess (of) omentum Abscess (of) peritoneum Mesenteric abscess | Pelvic abscess, unspecified |
| Use additional code | code (B95-B97), to identify infectious agent, if known | code (B95-B97), to identify infectious agent, if known |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources