ICD-10-CM > S00-T88 > T51-T65 > T63 > T63.6 > T63.63 > T63.631 T63.631 Toxic effect of contact with sea anemone, accidental (unintentional) Non-Billable/Non-Specific Codes T63.631A..., initial encounterT63.631D..., subsequent encounterT63.631S..., sequela