| Q55 | Other congenital malformations of male genital organs | NON-BILLABLE CODE |
| Q55.0 | Absence and aplasia of testis | BILLABLE CODE |
| Q55.1 | Hypoplasia of testis and scrotum | BILLABLE CODE |
| Q55.2 | Other and unspecified congenital malformations of testis and scrotum | NON-BILLABLE CODE |
| Q55.20 | Unspecified congenital malformations of testis and scrotum | BILLABLE CODE |
| Q55.21 | Polyorchism | BILLABLE CODE |
| Q55.22 | Retractile testis | BILLABLE CODE |
| Q55.23 | Scrotal transposition | BILLABLE CODE |
| Q55.29 | Other congenital malformations of testis and scrotum | BILLABLE CODE |
| Q55.3 | Atresia of vas deferens | BILLABLE CODE |
| Q55.4 | Other congenital malformations of vas deferens, epididymis, seminal vesicles and prostate | BILLABLE CODE |
| Q55.5 | Congenital absence and aplasia of penis | BILLABLE CODE |
| Q55.6 | Other congenital malformations of penis | NON-BILLABLE CODE |
| Q55.61 | Curvature of penis (lateral) | BILLABLE CODE |
| Q55.62 | Hypoplasia of penis | BILLABLE CODE |
| Q55.63 | Congenital torsion of penis | BILLABLE CODE |
| Q55.64 | Hidden penis | BILLABLE CODE |
| Q55.7 | Congenital vasocutaneous fistula | BILLABLE CODE |
| Q55.8 | Other specified congenital malformations of male genital organs | BILLABLE CODE |
| Q55.9 | Congenital malformation of male genital organ, unspecified | BILLABLE CODE |
