ICD-10-CM · Chapter 17 · Q00-QA1
Q55 Other congenital malformations of male genital organs
Excludes 1 (cannot be coded together)
- congenital hydrocele (P83.5)
- hypospadias (Q54.-)
Subcodes
Subcodes are listed below for reference. Detail pages are not available for chapters 11–22.
| Code | Description | Billable |
|---|---|---|
| Q55..0 | Absence and aplasia of testis | Yes |
| Q55..1 | Hypoplasia of testis and scrotum | Yes |
| Q55..2 | Other and unspecified congenital malformations of testis and scrotum | No |
| Q55..20 | Unspecified congenital malformations of testis and scrotum | Yes |
| Q55..21 | Polyorchism | Yes |
| Q55..22 | Retractile testis | Yes |
| Q55..23 | Scrotal transposition | Yes |
| Q55..29 | Other congenital malformations of testis and scrotum | Yes |
| Q55..3 | Atresia of vas deferens | Yes |
| Q55..4 | Other congenital malformations of vas deferens, epididymis, seminal vesicles and prostate | Yes |
| Q55..5 | Congenital absence and aplasia of penis | Yes |
| Q55..6 | Other congenital malformations of penis | No |
| Q55..61 | Curvature of penis (lateral) | Yes |
| Q55..62 | Hypoplasia of penis | Yes |
| Q55..63 | Congenital torsion of penis | Yes |
| Q55..64 | Hidden penis | Yes |
| Q55..69 | Other congenital malformation of penis | Yes |
| Q55..7 | Congenital vasocutaneous fistula | Yes |
| Q55..8 | Other specified congenital malformations of male genital organs | Yes |
| Q55..9 | Congenital malformation of male genital organ, unspecified | Yes |
Last reviewed: September 2026