ICD-10-CM > S00-T88 > T51-T65 > T63 > T63.4 > T63.46 > T63.464 T63.464 Toxic effect of venom of wasps, undetermined Non-Billable/Non-Specific Codes T63.464A..., initial encounterT63.464D..., subsequent encounterT63.464S..., sequela