ICD-10-CM > S00-T88 > T80-T88 > T80 > T80.9 > T80.91 T80.91 Hemolytic transfusion reaction, unspecified incompatibility Non-Billable/Non-Specific Type 1 Excludes ABO incompatibility with hemolytic transfusion reaction (T80.31-)Non-ABO incompatibility with hemolytic transfusion reaction (T80.A1-)Rh incompatibility with hemolytic transfusion reaction (T80.41-) Codes T80.910Acute hemolytic transfusion reaction, unspecified incompatibilityT80.910A..., initial encounterT80.910D..., subsequent encounterT80.910S..., sequelaT80.911Delayed hemolytic transfusion reaction, unspecified incompatibilityT80.911A..., initial encounterT80.911D..., subsequent encounterT80.911S..., sequelaT80.919Hemolytic transfusion reaction, unspecified incompatibility, unspecified as acute or delayedT80.919A..., initial encounterT80.919D..., subsequent encounterT80.919S..., sequela