K68.11 vs T81.4
K68.11 (Postprocedural retroperitoneal abscess) compared with T81.4 (Infection following a procedure), 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. K68.11 carries an Excludes2 note covering T81.4: “infection following procedure (T81.4-)”
Excludes2 marks distinct conditions — both may be reported when both are documented.
Yes, when both are documented. T81.4 carries an Excludes2 note covering K68.11: “postprocedural retroperitoneal abscess (K68.11)”
Excludes2 marks distinct conditions — both may be reported when both are documented.
Side by side
| K68.11Postprocedural retroperitoneal abscess | T81.4Infection following a procedure | |
|---|---|---|
| Billing status | Billable | Non-billable header Report instead: T81.40XA, T81.40XD, T81.40XS, T81.41XA, T81.41XD |
| Classification | K00-K95 — Diseases of the Digestive System (K00-K95) | S00-T88 — Injury, Poisoning and Certain Other Consequences of External Causes (S00-T88) |
| Definition | Postprocedural retroperitoneal abscess is a billable ICD-10-CM diagnosis code (K68.11). | Infection following a procedure is a non-billable ICD-10-CM category code (T81.4). |
| 7th character | — | The appropriate 7th character is to be added to each code from category T81 |
| Includes | — | Wound abscess following a procedure |
| Use additional code | — | code to identify infection code (R65.2-) to identify severe sepsis, if applicable code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5) |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources