ICD-10-CM > S00-T88 > T51-T65 > T63 > T63.3 > T63.33 > T63.333 T63.333 Toxic effect of venom of brown recluse spider, assault Non-Billable/Non-Specific Codes T63.333A..., initial encounterT63.333D..., subsequent encounterT63.333S..., sequela