ICD-10-CM > S00-T88 > T51-T65 > T63 > T63.6 > T63.62 > T63.621 T63.621 Toxic effect of contact with other jellyfish, accidental (unintentional) Non-Billable/Non-Specific Codes T63.621A..., initial encounterT63.621D..., subsequent encounterT63.621S..., sequela