ICD-10-CM > S00-T88 > T80-T88 > T80 > T80.9 > T80.91 > T80.910 T80.910 Acute hemolytic transfusion reaction, unspecified incompatibility Non-Billable/Non-Specific Codes T80.910A..., initial encounterT80.910D..., subsequent encounterT80.910S..., sequela