| Q55 | Other congenital malformations of male genital organs |
| | Absence and aplasia of testis |
| | Hypoplasia of testis and scrotum |
| | Other and unspecified congenital malformations of testis and scrotum |
| | Unspecified congenital malformations of testis and scrotum |
| | Polyorchism |
| | Retractile testis |
| | Scrotal transposition |
| | Other congenital malformations of testis and scrotum |
| | Atresia of vas deferens |
| | Other congenital malformations of vas deferens, epididymis, seminal vesicles and prostate |
| | Congenital absence and aplasia of penis |
| | Other congenital malformations of penis |
| | Curvature of penis (lateral) |
| | Hypoplasia of penis |
| | Congenital torsion of penis |
| | Hidden penis |
| | Other congenital malformation of penis |
| | Congenital vasocutaneous fistula |
| | Other specified congenital malformations of male genital organs |
| | Congenital malformation of male genital organ, unspecified |
