| Q51 | Congenital malformations of uterus and cervix | NON-BILLABLE CODE |
| Q51.0 | Agenesis and aplasia of uterus | BILLABLE CODE |
| Q51.1 | Doubling of uterus with doubling of cervix and vagina | NON-BILLABLE CODE |
| Q51.10 | Doubling of uterus with doubling of cervix and vagina without obstruction | BILLABLE CODE |
| Q51.11 | Doubling of uterus with doubling of cervix and vagina with obstruction | BILLABLE CODE |
| Q51.2 | Other doubling of uterus | NON-BILLABLE CODE |
| Q51.21 | Complete doubling of uterus | BILLABLE CODE |
| Q51.22 | Partial doubling of uterus | BILLABLE CODE |
| Q51.28 | Other and unspecified doubling of uterus | BILLABLE CODE |
| Q51.3 | Bicornate uterus | BILLABLE CODE |
| Q51.4 | Unicornate uterus | BILLABLE CODE |
| Q51.5 | Agenesis and aplasia of cervix | BILLABLE CODE |
| Q51.6 | Embryonic cyst of cervix | BILLABLE CODE |
| Q51.7 | Congenital fistulae between uterus and digestive and urinary tracts | BILLABLE CODE |
| Q51.8 | Other congenital malformations of uterus and cervix | NON-BILLABLE CODE |
| Q51.81 | Other congenital malformations of uterus | NON-BILLABLE CODE |
| Q51.810 | Arcuate uterus | BILLABLE CODE |
| Q51.811 | Hypoplasia of uterus | BILLABLE CODE |
| Q51.82 | Other congenital malformations of cervix | NON-BILLABLE CODE |
| Q51.820 | Cervical duplication | BILLABLE CODE |
| Q51.821 | Hypoplasia of cervix | BILLABLE CODE |
| Q51.828 | Other congenital malformations of cervix | BILLABLE CODE |
| Q51.9 | Congenital malformation of uterus and cervix, unspecified | BILLABLE CODE |
