K68.11 vs K91
K68.11 (Postprocedural retroperitoneal abscess) compared with K91 (Intraoperative and postprocedural complications and disorders of digestive system, not elsewhere classified), 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. K91 carries an Excludes2 note covering K68.11: “postprocedural (radiation) retroperitoneal abscess (K68.11)”
Excludes2 marks distinct conditions — both may be reported when both are documented.
Side by side
| K68.11Postprocedural retroperitoneal abscess | K91Intraoperative and postprocedural complications and disorders of digestive system, not elsewhere classified | |
|---|---|---|
| Billing status | Billable | Non-billable header |
| Classification | K00-K95 — Diseases of the Digestive System (K00-K95) | K00-K95 — Diseases of the Digestive System (K00-K95) |
| Definition | Postprocedural retroperitoneal abscess is a billable ICD-10-CM diagnosis code (K68.11). | Intraoperative and postprocedural complications and disorders of digestive system, not elsewhere classified is a non-billable ICD-10-CM category code (K91). |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources