| Q89 | Other congenital malformations, not elsewhere classified | NON-BILLABLE CODE |
| Q89.0 | Congenital absence and malformations of spleen | NON-BILLABLE CODE |
| Q89.01 | Asplenia (congenital) | BILLABLE CODE |
| Q89.1 | Congenital malformations of adrenal gland | BILLABLE CODE |
| Q89.2 | Congenital malformations of other endocrine glands | BILLABLE CODE |
| Q89.3 | Situs inversus | BILLABLE CODE |
| Q89.4 | Conjoined twins | BILLABLE CODE |
| Q89.7 | Multiple congenital malformations, not elsewhere classified | BILLABLE CODE |
| Q89.8 | Other specified congenital malformations | BILLABLE CODE |
| Q89.9 | Congenital malformation, unspecified | BILLABLE CODE |
