T80.41 vs T80.91
T80.41 (Rh incompatibility with hemolytic transfusion reaction) compared with T80.91 (Hemolytic transfusion reaction, unspecified incompatibility), from the official CMS tabular data. Do not report these codes together: the official tabular list marks them Excludes1.
Can these codes be reported together?
No — do not report together. T80.91 carries an Excludes1 note covering T80.41: “Rh incompatibility with hemolytic transfusion reaction (T80.41-)”
Sole exception: when the two conditions are documented as unrelated to each other (ICD-10-CM Official Guidelines, Section I.A.12.a).
Side by side
| T80.41Rh incompatibility with hemolytic transfusion reaction | T80.91Hemolytic transfusion reaction, unspecified incompatibility | |
|---|---|---|
| Billing status | Non-billable header Report instead: T80.410A, T80.410D, T80.410S, T80.411A, T80.411D | Non-billable header Report instead: T80.910A, T80.910D, T80.910S, T80.911A, T80.911D |
| Classification | S00-T88 — Injury, Poisoning and Certain Other Consequences of External Causes (S00-T88) | S00-T88 — Injury, Poisoning and Certain Other Consequences of External Causes (S00-T88) |
| Definition | Rh incompatibility with hemolytic transfusion reaction is a non-billable ICD-10-CM category code (T80.41). | Hemolytic transfusion reaction, unspecified incompatibility is a non-billable ICD-10-CM category code (T80.91). |
| 7th character | The appropriate 7th character is to be added to each code from category T80 | The appropriate 7th character is to be added to each code from category T80 |
| Includes | complications following perfusion | 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) | 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