ICD-10-CM > S00-T88 > T51-T65 > T63 > T63.6 > T63.63 > T63.634 T63.634 Toxic effect of contact with sea anemone, undetermined Non-Billable/Non-Specific Codes T63.634A..., initial encounterT63.634D..., subsequent encounterT63.634S..., sequela