ICD-10-CM > S00-T88 > S00-S09 > S00 > S00.2 > S00.24 > S00.249 S00.249 External constriction of unspecified eyelid and periocular area Non-Billable/Non-Specific Codes S00.249A..., initial encounterS00.249D..., subsequent encounterS00.249S..., sequela