| M50 | Cervical disc disorders | NON-BILLABLE CODE |
| M50.0 | Cervical disc disorder with myelopathy | NON-BILLABLE CODE |
| M50.00 | Cervical disc disorder with myelopathy, unspecified cervical region | BILLABLE CODE |
| M50.01 | Cervical disc disorder with myelopathy, high cervical region | BILLABLE CODE |
| M50.02 | Cervical disc disorder with myelopathy, mid-cervical region | NON-BILLABLE CODE |
| M50.020 | Cervical disc disorder with myelopathy, mid-cervical region, unspecified level | BILLABLE CODE |
| M50.021 | Cervical disc disorder at C4-C5 level with myelopathy | BILLABLE CODE |
| M50.022 | Cervical disc disorder at C5-C6 level with myelopathy | BILLABLE CODE |
| M50.023 | Cervical disc disorder at C6-C7 level with myelopathy | BILLABLE CODE |
| M50.03 | Cervical disc disorder with myelopathy, cervicothoracic region | BILLABLE CODE |
| M50.1 | Cervical disc disorder with radiculopathy | NON-BILLABLE CODE |
| M50.10 | Cervical disc disorder with radiculopathy, unspecified cervical region | BILLABLE CODE |
| M50.11 | Cervical disc disorder with radiculopathy, high cervical region | BILLABLE CODE |
| M50.12 | Cervical disc disorder with radiculopathy, mid-cervical region | NON-BILLABLE CODE |
| M50.120 | Mid-cervical disc disorder, unspecified level | BILLABLE CODE |
| M50.121 | Cervical disc disorder at C4-C5 level with radiculopathy | BILLABLE CODE |
| M50.122 | Cervical disc disorder at C5-C6 level with radiculopathy | BILLABLE CODE |
| M50.123 | Cervical disc disorder at C6-C7 level with radiculopathy | BILLABLE CODE |
| M50.13 | Cervical disc disorder with radiculopathy, cervicothoracic region | BILLABLE CODE |
| M50.2 | Other cervical disc displacement | NON-BILLABLE CODE |
| M50.20 | Other cervical disc displacement, unspecified cervical region | BILLABLE CODE |
| M50.21 | Other cervical disc displacement, high cervical region | BILLABLE CODE |
| M50.22 | Other cervical disc displacement, mid-cervical region | NON-BILLABLE CODE |
| M50.220 | Other cervical disc displacement, mid-cervical region, unspecified level | BILLABLE CODE |
| M50.221 | Other cervical disc displacement at C4-C5 level | BILLABLE CODE |
| M50.222 | Other cervical disc displacement at C5-C6 level | BILLABLE CODE |
| M50.223 | Other cervical disc displacement at C6-C7 level | BILLABLE CODE |
| M50.23 | Other cervical disc displacement, cervicothoracic region | BILLABLE CODE |
| M50.3 | Other cervical disc degeneration | NON-BILLABLE CODE |
| 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 |
| M50.8 | Other cervical disc disorders | NON-BILLABLE CODE |
| M50.80 | Other cervical disc disorders, unspecified cervical region | BILLABLE CODE |
| M50.81 | Other cervical disc disorders, high cervical region | BILLABLE CODE |
| M50.82 | Other cervical disc disorders, mid-cervical region | NON-BILLABLE CODE |
| M50.821 | Other cervical disc disorders at C4-C5 level | BILLABLE CODE |
| M50.822 | Other cervical disc disorders at C5-C6 level | BILLABLE CODE |
| M50.823 | Other cervical disc disorders at C6-C7 level | BILLABLE CODE |
| M50.83 | Other cervical disc disorders, cervicothoracic region | BILLABLE CODE |
| M50.9 | Cervical disc disorder, unspecified | NON-BILLABLE CODE |
| M50.90 | Cervical disc disorder, unspecified, unspecified cervical region | BILLABLE CODE |
| M50.91 | Cervical disc disorder, unspecified, high cervical region | BILLABLE CODE |
| M50.92 | Cervical disc disorder, unspecified, mid-cervical region | NON-BILLABLE CODE |
| M50.920 | Unspecified cervical disc disorder, mid-cervical region, unspecified level | BILLABLE CODE |
| M50.921 | Unspecified cervical disc disorder at C4-C5 level | BILLABLE CODE |
| M50.922 | Unspecified cervical disc disorder at C5-C6 level | BILLABLE CODE |
| M50.923 | Unspecified cervical disc disorder at C6-C7 level | BILLABLE CODE |
| M50.93 | Cervical disc disorder, unspecified, cervicothoracic region | BILLABLE CODE |
