ICD-10-CM > S00-T88 > S90-S99 > S90 > S90.4 > S90.44 > S90.444 S90.444 External constriction, right lesser toe(s) Non-Billable/Non-Specific Codes S90.444A..., initial encounterS90.444D..., subsequent encounterS90.444S..., sequela