| Q05 | Spina bifida | NON-BILLABLE CODE |
| Q05.0 | Cervical spina bifida with hydrocephalus | BILLABLE CODE |
| Q05.1 | Thoracic spina bifida with hydrocephalus | BILLABLE CODE |
| Q05.2 | Lumbar spina bifida with hydrocephalus | BILLABLE CODE |
| Q05.3 | Sacral spina bifida with hydrocephalus | BILLABLE CODE |
| Q05.4 | Unspecified spina bifida with hydrocephalus | BILLABLE CODE |
| Q05.5 | Cervical spina bifida without hydrocephalus | BILLABLE CODE |
| Q05.6 | Thoracic spina bifida without hydrocephalus | BILLABLE CODE |
| Q05.8 | Sacral spina bifida without hydrocephalus | BILLABLE CODE |
| Q05.9 | Spina bifida, unspecified | BILLABLE CODE |
