S31.50 - Unspecified open wound of unspecified external genital organs S31.5 - Open wound of unspecified external genital organs S31.50 - Unspecified open wound of unspecified external genital organs S31.501 - Unspecified open wound of unspecified external genital organs, male S31.502 - Unspecified open wound of unspecified external genital organs, female