| ICD-10 Code | Description |
| Q53.00 | Ectopic testis, unspecified |
| Q53.01 | Ectopic testis, unilateral |
| Q53.02 | Ectopic testes, bilateral |
| Q53.10 | Unspecified undescended testicle, unilateral |
| Q53.111 | Unilateral intraabdominal testis |
| Q53.112 | Unilateral inguinal testis |
| Q53.12 | Ectopic perineal testis, unilateral |
| Q53.13 | Unilateral high scrotal testis |
| Q53.20 | Undescended testicle, unspecified, bilateral |
| Q53.211 | Bilateral intraabdominal testes |
| Q53.212 | Bilateral inguinal testes |
| Q53.22 | Ectopic perineal testis, bilateral |
| Q53.23 | Bilateral high scrotal testes |
| Q53.9 | Undescended testicle, unspecified |
