| M488X1 | Other specified spondylopathies, occipito-atlanto-axial region |
| M488X2 | Other specified spondylopathies, cervical region |
| M488X3 | Other specified spondylopathies, cervicothoracic region |
| M488X4 | Other specified spondylopathies, thoracic region |
| M488X5 | Other specified spondylopathies, thoracolumbar region |
| M488X6 | Other specified spondylopathies, lumbar region |
| M488X7 | Other specified spondylopathies, lumbosacral region |
| M488X8 | Other specified spondylopathies, sacral and sacrococcygeal region |
| M488X9 | Other specified spondylopathies, site unspecified |
| M489 | Spondylopathy, unspecified |
| M49 | Spondylopathies in diseases classified elsewhere |
| M498 | Spondylopathy in diseases classified elsewhere |
| M4980 | Spondylopathy in diseases classified elsewhere, site unspecified |
| M4981 | Spondylopathy in diseases classified elsewhere, occipito-atlanto-axial region |
| M4982 | Spondylopathy in diseases classified elsewhere, cervical region |
| M4983 | Spondylopathy in diseases classified elsewhere, cervicothoracic region |
| M4984 | Spondylopathy in diseases classified elsewhere, thoracic region |
| M4985 | Spondylopathy in diseases classified elsewhere, thoracolumbar region |
| M4986 | Spondylopathy in diseases classified elsewhere, lumbar region |
| M4987 | Spondylopathy in diseases classified elsewhere, lumbosacral region |
| M4988 | Spondylopathy in diseases classified elsewhere, sacral and sacrococcygeal region |
| M4989 | Spondylopathy in diseases classified elsewhere, multiple sites in spine |
| M50 | Cervical disc disorders |
| M500 | Cervical disc disorder with myelopathy |
| M5000 | Cervical disc disorder with myelopathy, unsp cervical region Cervical disc disorder with myelopathy, unspecified cervical region |
| M5001 | Cervical disc disorder with myelopathy, high cervical region Cervical disc disorder with myelopathy, high cervical region |
| M5002 | Cervical disc disorder with myelopathy, mid-cervical region |
| M50020 | Cerv disc disord with myelpath, mid-cervical rgn, unsp level Cervical disc disorder with myelopathy, mid-cervical region, unspecified level |
| M50021 | Cervical disc disorder at C4-C5 level with myelopathy |
| M50022 | Cervical disc disorder at C5-C6 level with myelopathy |
| M50023 | Cervical disc disorder at C6-C7 level with myelopathy |
| M5003 | Cervical disc disorder with myelopathy, cervicothoracic region |
| M501 | Cervical disc disorder with radiculopathy |
| M5010 | Cervical disc disorder w radiculopathy, unsp cervical region Cervical disc disorder with radiculopathy, unspecified cervical region |
| M5011 | Cervical disc disorder with radiculopathy, high cervical region |
| M5012 | Cervical disc disorder with radiculopathy, mid-cervical region |
| M50120 | Mid-cervical disc disorder, unspecified level |
| M50121 | Cervical disc disorder at C4-C5 level with radiculopathy |
| M50122 | Cervical disc disorder at C5-C6 level with radiculopathy |
| M50123 | Cervical disc disorder at C6-C7 level with radiculopathy |
| M5013 | Cervical disc disorder with radiculopathy, cervicothoracic region |
| M502 | Other cervical disc displacement |
| M5020 | Other cervical disc displacement, unspecified cervical region |
| M5021 | Other cervical disc displacement, high cervical region |
| M5022 | Other cervical disc displacement, mid-cervical region |
| M50220 | Other cervical disc displacement, mid-cervical region, unspecified level |
| M50221 | Other cervical disc displacement at C4-C5 level |
| M50222 | Other cervical disc displacement at C5-C6 level |
| M50223 | Other cervical disc displacement at C6-C7 level |
| M5023 | Other cervical disc displacement, cervicothoracic region |