ICD-10-CM > S00-T88 > T51-T65 > T63 > T63.5 > T63.59 T63.59 Toxic effect of contact with other venomous fish Non-Billable/Non-Specific Codes T63.591Toxic effect of contact with other venomous fish, accidental (unintentional)T63.591A..., initial encounterT63.591D..., subsequent encounterT63.591S..., sequelaT63.592Toxic effect of contact with other venomous fish, intentional self-harmT63.592A..., initial encounterT63.592D..., subsequent encounterT63.592S..., sequelaT63.593Toxic effect of contact with other venomous fish, assaultT63.593A..., initial encounterT63.593D..., subsequent encounterT63.593S..., sequelaT63.594Toxic effect of contact with other venomous fish, undeterminedT63.594A..., initial encounterT63.594D..., subsequent encounterT63.594S..., sequela