ICD-10-CM > S00-T88 > T51-T65 > T63 > T63.4 > T63.44 > T63.444 T63.444 Toxic effect of venom of bees, undetermined Non-Billable/Non-Specific Codes T63.444A..., initial encounterT63.444D..., subsequent encounterT63.444S..., sequela