ICD-10-CM > S00-T88 > S30-S39 > S31 > S31.5 > S31.55 > S31.552 S31.552 Open bite of unspecified external genital organs, female Non-Billable/Non-Specific Codes S31.552A..., initial encounterS31.552D..., subsequent encounterS31.552S..., sequela