ICD-10-CM > S00-T88 > S30-S39 > S31 > S31.5 > S31.50 S31.50 Unspecified open wound of unspecified external genital organs Non-Billable/Non-Specific Codes S31.501Unspecified open wound of unspecified external genital organs, maleS31.501A..., initial encounterS31.501D..., subsequent encounterS31.501S..., sequelaS31.502Unspecified open wound of unspecified external genital organs, femaleS31.502A..., initial encounterS31.502D..., subsequent encounterS31.502S..., sequela