K91.2 vs T80
K91.2 (Postsurgical malabsorption, not elsewhere classified) compared with T80 (Complications following infusion, transfusion and therapeutic injection), 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. T80 carries an Excludes2 note covering K91.2: “postsurgical blind-loop syndrome (K91.2)”
Excludes2 marks distinct conditions — both may be reported when both are documented.
Side by side
| K91.2Postsurgical malabsorption, not elsewhere classified | T80Complications following infusion, transfusion and therapeutic injection | |
|---|---|---|
| Billing status | Billable | Non-billable header Report instead: T80.0XXA, T80.0XXD, T80.0XXS, T80.1XXA, T80.1XXD |
| Classification | K00-K95 — Diseases of the Digestive System (K00-K95) | S00-T88 — Injury, Poisoning and Certain Other Consequences of External Causes (S00-T88) |
| Definition | Postsurgical malabsorption, not elsewhere classified is a billable ICD-10-CM diagnosis code (K91.2). | Complications following infusion, transfusion and therapeutic injection is a non-billable ICD-10-CM category code (T80). |
| 7th character | — | The appropriate 7th character is to be added to each code from category T80 |
| Includes | Postsurgical blind loop syndrome | complications following perfusion |
| Use additional code | — | code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5) code(s) to identify the specified condition resulting from the complication code to identify devices involved and details of circumstances (Y62-Y82) |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources