ICD-10-CM > S00-T88 > T51-T65 > T63 > T63.3 > T63.33 T63.33 Toxic effect of venom of brown recluse spider Non-Billable/Non-Specific Codes T63.331Toxic effect of venom of brown recluse spider, accidental (unintentional)T63.331A..., initial encounterT63.331D..., subsequent encounterT63.331S..., sequelaT63.332Toxic effect of venom of brown recluse spider, intentional self-harmT63.332A..., initial encounterT63.332D..., subsequent encounterT63.332S..., sequelaT63.333Toxic effect of venom of brown recluse spider, assaultT63.333A..., initial encounterT63.333D..., subsequent encounterT63.333S..., sequelaT63.334Toxic effect of venom of brown recluse spider, undeterminedT63.334A..., initial encounterT63.334D..., subsequent encounterT63.334S..., sequela