K91.1 vs T86.8422
K91.1 (Postgastric surgery syndromes) compared with T86.8422 (Corneal transplant infection, left eye), 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. T86.8422 carries an Excludes2 note covering K91.1: “postgastric surgery syndromes (K91.1)”
Excludes2 marks distinct conditions — both may be reported when both are documented.
Side by side
| K91.1Postgastric surgery syndromes | T86.8422Corneal transplant infection, left eye | |
|---|---|---|
| Billing status | Billable | Billable |
| Classification | K00-K95 — Diseases of the Digestive System (K00-K95) | S00-T88 — Injury, Poisoning and Certain Other Consequences of External Causes (S00-T88) |
| Definition | Postgastric surgery syndromes is a billable ICD-10-CM diagnosis code (K91.1). | Corneal transplant infection, left eye is a billable ICD-10-CM diagnosis code (T86.8422). |
| Includes | Dumping syndrome Postgastrectomy syndrome Postvagotomy syndrome | — |
| Use additional code | — | code to specify infection code to identify other transplant complications, such as: graft-versus-host disease (D89.81-) |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources