ICD-10-CM > S00-T88 > T51-T65 > T61 > T61.0 T61.0 Ciguatera fish poisoning Non-Billable/Non-Specific Codes T61.01Ciguatera fish poisoning, accidental (unintentional)T61.01XA..., initial encounterT61.01XD..., subsequent encounterT61.01XS..., sequelaT61.02Ciguatera fish poisoning, intentional self-harmT61.02XA..., initial encounterT61.02XD..., subsequent encounterT61.02XS..., sequelaT61.03Ciguatera fish poisoning, assaultT61.03XA..., initial encounterT61.03XD..., subsequent encounterT61.03XS..., sequelaT61.04Ciguatera fish poisoning, undeterminedT61.04XA..., initial encounterT61.04XD..., subsequent encounterT61.04XS..., sequela