ICD-10-CM > S00-T88 > T80-T88 > T80 > T80.9 > T80.91 > T80.911 T80.911 Delayed hemolytic transfusion reaction, unspecified incompatibility Non-Billable/Non-Specific Codes T80.911A..., initial encounterT80.911D..., subsequent encounterT80.911S..., sequela