ICD-10-CM > S00-T88 > S90-S99 > S90 > S90.4 > S90.42 > S90.421 S90.421 Blister (nonthermal), right great toe Non-Billable/Non-Specific Codes S90.421A..., initial encounterS90.421D..., subsequent encounterS90.421S..., sequela
ICD-10 Fast ICD-10 Fast