ICD-10-CM > S00-T88 > T51-T65 > T63 > T63.6 > T63.69 > T63.694 T63.694 Toxic effect of contact with other venomous marine animals, undetermined Non-Billable/Non-Specific Codes T63.694A..., initial encounterT63.694D..., subsequent encounterT63.694S..., sequela