| M50.30 | Other cervical disc degeneration, unspecified cervical region | BILLABLE CODE |
| M50.31 | Other cervical disc degeneration, high cervical region | BILLABLE CODE |
| M50.32 | Other cervical disc degeneration, mid-cervical region | NON-BILLABLE CODE |
| M50.320 | Other cervical disc degeneration, mid-cervical region, unspecified level | BILLABLE CODE |
| M50.321 | Other cervical disc degeneration at C4-C5 level | BILLABLE CODE |
| M50.322 | Other cervical disc degeneration at C5-C6 level | BILLABLE CODE |
| M50.323 | Other cervical disc degeneration at C6-C7 level | BILLABLE CODE |
| M50.33 | Other cervical disc degeneration, cervicothoracic region | BILLABLE CODE |
