| M4691 | Unspecified inflammatory spondylopathy, occipito-atlanto-axial region |
| M4692 | Unspecified inflammatory spondylopathy, cervical region |
| M4693 | Unspecified inflammatory spondylopathy, cervicothoracic region |
| M4694 | Unspecified inflammatory spondylopathy, thoracic region |
| M4695 | Unspecified inflammatory spondylopathy, thoracolumbar region Unspecified inflammatory spondylopathy, thoracolumbar region |
| M4696 | Unspecified inflammatory spondylopathy, lumbar region |
| M4697 | Unspecified inflammatory spondylopathy, lumbosacral region |
| M4698 | Unspecified inflammatory spondylopathy, sacral and sacrococcygeal region |
| M4699 | Unspecified inflammatory spondylopathy, multiple sites in spine |
| M47 | Spondylosis |
| M470 | Anterior spinal and vertebral artery compression syndromes |
| M4701 | Anterior spinal artery compression syndromes |
| M47011 | Anterior spinal artery compression syndromes, occipito-atlanto-axial region |
| M47012 | Anterior spinal artery compression syndromes, cervical region |
| M47013 | Anterior spinal artery comprsn syndromes, cervicothor region Anterior spinal artery compression syndromes, cervicothoracic region |
| M47014 | Anterior spinal artery compression syndromes, thoracic region |
| M47015 | Anterior spinal artery compression syndromes, thoracolumbar region |
| M47016 | Anterior spinal artery compression syndromes, lumbar region |
| M47019 | Anterior spinal artery compression syndromes, site unspecified |
| M4702 | Vertebral artery compression syndromes |
| M47021 | Vertebral artery compression syndromes, occipito-atlanto-axial region |
| M47022 | Vertebral artery compression syndromes, cervical region |
| M47029 | Vertebral artery compression syndromes, site unspecified |
| M471 | Other spondylosis with myelopathy |
| M4710 | Other spondylosis with myelopathy, site unspecified |
| M4711 | Other spondylosis with myelopathy, occipito-atlanto-axial region |
| M4712 | Other spondylosis with myelopathy, cervical region |
| M4713 | Other spondylosis with myelopathy, cervicothoracic region |
| M4714 | Other spondylosis with myelopathy, thoracic region |
| M4715 | Other spondylosis with myelopathy, thoracolumbar region |
| M4716 | Other spondylosis with myelopathy, lumbar region |
| M472 | Other spondylosis with radiculopathy |
| M4720 | Other spondylosis with radiculopathy, site unspecified |
| M4721 | Other spondylosis with radiculopathy, occipito-atlanto-axial region |
| M4722 | Other spondylosis with radiculopathy, cervical region |
| M4723 | Other spondylosis with radiculopathy, cervicothoracic region Other spondylosis with radiculopathy, cervicothoracic region |
| M4724 | Other spondylosis with radiculopathy, thoracic region |
| M4725 | Other spondylosis with radiculopathy, thoracolumbar region |
| M4726 | Other spondylosis with radiculopathy, lumbar region |
| M4727 | Other spondylosis with radiculopathy, lumbosacral region |
| M4728 | Other spondylosis with radiculopathy, sacral and sacrococcygeal region |
| M478 | Other spondylosis |
| M4781 | Spondylosis without myelopathy or radiculopathy |
| M47811 | Spondylosis without myelopathy or radiculopathy, occipito-atlanto-axial region |
| M47812 | Spondylosis w/o myelopathy or radiculopathy, cervical region Spondylosis without myelopathy or radiculopathy, cervical region |
| M47813 | Spondyls w/o myelopathy or radiculopathy, cervicothor region Spondylosis without myelopathy or radiculopathy, cervicothoracic region |
| M47814 | Spondylosis w/o myelopathy or radiculopathy, thoracic region Spondylosis without myelopathy or radiculopathy, thoracic region |
| M47815 | Spondylosis without myelopathy or radiculopathy, thoracolumbar region |
| M47816 | Spondylosis without myelopathy or radiculopathy, lumbar region |
| M47817 | Spondylosis without myelopathy or radiculopathy, lumbosacral region |