ICD-10-CM > S00-T88 > T51-T65 > T63 > T63.3 > T63.30 T63.30 Toxic effect of unspecified spider venom Non-Billable/Non-Specific Codes T63.301Toxic effect of unspecified spider venom, accidental (unintentional)T63.301A..., initial encounterT63.301D..., subsequent encounterT63.301S..., sequelaT63.302Toxic effect of unspecified spider venom, intentional self-harmT63.302A..., initial encounterT63.302D..., subsequent encounterT63.302S..., sequelaT63.303Toxic effect of unspecified spider venom, assaultT63.303A..., initial encounterT63.303D..., subsequent encounterT63.303S..., sequelaT63.304Toxic effect of unspecified spider venom, undeterminedT63.304A..., initial encounterT63.304D..., subsequent encounterT63.304S..., sequela