ICD-10-CM > S00-T88 > S20-S29 > S20 > S20.4 > S20.42 > S20.421 S20.421 Blister (nonthermal) of right back wall of thorax Non-Billable/Non-Specific Codes S20.421A..., initial encounterS20.421D..., subsequent encounterS20.421S..., sequela
ICD-10 Fast ICD-10 Fast