ICD-10-CM > S00-T88 > T51-T65 > T63 > T63.4 > T63.42 > T63.423 T63.423 Toxic effect of venom of ants, assault Non-Billable/Non-Specific Codes T63.423A..., initial encounterT63.423D..., subsequent encounterT63.423S..., sequela