ICD-10-CM > S00-T88 > T80-T88 > T80 > T80.5 > T80.51 T80.51 Anaphylactic reaction due to administration of blood and blood products Non-Billable/Non-Specific Codes T80.51XA..., initial encounterT80.51XD..., subsequent encounterT80.51XS..., sequela