S31.55: Open bite of unspecified external genital organs inclusionTerm Bite of unspecified external genital organs NOS excludes1 superficial bite of unspecified external genital organs (S30.865, S30.866, S30.875, S30.876) |
| S31.551: Open bite of unspecified external genital organs, male |
| S31.552: Open bite of unspecified external genital organs, female |