ICD-10-CM > S00-T88 > S30-S39 > S30 > S30.8 > S30.82 > S30.826 S30.826 Blister (nonthermal) of unspecified external genital organs, female Non-Billable/Non-Specific Codes S30.826A..., initial encounterS30.826D..., subsequent encounterS30.826S..., sequela