| Q77 | Osteochondrodysplasia with defects of growth of tubular bones and spine | NON-BILLABLE CODE |
| Q77.0 | Achondrogenesis | BILLABLE CODE |
| Q77.1 | Thanatophoric short stature | BILLABLE CODE |
| Q77.3 | Chondrodysplasia punctata | BILLABLE CODE |
| Q77.4 | Achondroplasia | BILLABLE CODE |
| Q77.5 | Diastrophic dysplasia | BILLABLE CODE |
| Q77.6 | Chondroectodermal dysplasia | BILLABLE CODE |
| Q77.7 | Spondyloepiphyseal dysplasia | BILLABLE CODE |
| Q77.8 | Other osteochondrodysplasia with defects of growth of tubular bones and spine | BILLABLE CODE |
| Q77.9 | Osteochondrodysplasia with defects of growth of tubular bones and spine, unspecified | BILLABLE CODE |
