| M4625 | Osteomyelitis of vertebra, thoracolumbar region |
| M4626 | Osteomyelitis of vertebra, lumbar region |
| M4627 | Osteomyelitis of vertebra, lumbosacral region |
| M4628 | Osteomyelitis of vertebra, sacral and sacrococcygeal region |
| M463 | Infection of intervertebral disc (pyogenic) |
| M4630 | Infection of intervertebral disc (pyogenic), site unspecified |
| M4631 | Infection of intervertebral disc (pyogenic), occipito-atlanto-axial region |
| M4632 | Infection of intervertebral disc (pyogenic), cervical region Infection of intervertebral disc (pyogenic), cervical region |
| M4633 | Infection of intervertebral disc (pyogenic), cervicothoracic region |
| M4634 | Infection of intervertebral disc (pyogenic), thoracic region Infection of intervertebral disc (pyogenic), thoracic region |
| M4635 | Infection of intervertebral disc (pyogenic), thoracolumbar region |
| M4636 | Infection of intervertebral disc (pyogenic), lumbar region |
| M4637 | Infection of intervertebral disc (pyogenic), lumbosacral region |
| M4638 | Infection of intervertebral disc (pyogenic), sacral and sacrococcygeal region |
| M4639 | Infection of intvrt disc (pyogenic), multiple sites in spine Infection of intervertebral disc (pyogenic), multiple sites in spine |
| M464 | Discitis, unspecified |
| M4640 | Discitis, unspecified, site unspecified |
| M4641 | Discitis, unspecified, occipito-atlanto-axial region |
| M4642 | Discitis, unspecified, cervical region |
| M4643 | Discitis, unspecified, cervicothoracic region |
| M4644 | Discitis, unspecified, thoracic region |
| M4645 | Discitis, unspecified, thoracolumbar region |
| M4646 | Discitis, unspecified, lumbar region |
| M4647 | Discitis, unspecified, lumbosacral region |
| M4648 | Discitis, unspecified, sacral and sacrococcygeal region |
| M4649 | Discitis, unspecified, multiple sites in spine |
| M465 | Other infective spondylopathies |
| M4650 | Other infective spondylopathies, site unspecified |
| M4651 | Oth infective spondylopathies, occipito-atlanto-axial region Other infective spondylopathies, occipito-atlanto-axial region |
| M4652 | Other infective spondylopathies, cervical region |
| M4653 | Other infective spondylopathies, cervicothoracic region |
| M4654 | Other infective spondylopathies, thoracic region |
| M4655 | Other infective spondylopathies, thoracolumbar region |
| M4656 | Other infective spondylopathies, lumbar region |
| M4657 | Other infective spondylopathies, lumbosacral region |
| M4658 | Other infective spondylopathies, sacral and sacrococcygeal region |
| M4659 | Other infective spondylopathies, multiple sites in spine |
| M468 | Other specified inflammatory spondylopathies |
| M4680 | Other specified inflammatory spondylopathies, site unspecified |
| M4681 | Other specified inflammatory spondylopathies, occipito-atlanto-axial region |
| M4682 | Other specified inflammatory spondylopathies, cervical region |
| M4683 | Other specified inflammatory spondylopathies, cervicothoracic region |
| M4684 | Other specified inflammatory spondylopathies, thoracic region |
| M4685 | Other specified inflammatory spondylopathies, thoracolumbar region |
| M4686 | Other specified inflammatory spondylopathies, lumbar region |
| M4687 | Other specified inflammatory spondylopathies, lumbosacral region |
| M4688 | Other specified inflammatory spondylopathies, sacral and sacrococcygeal region |
| M4689 | Other specified inflammatory spondylopathies, multiple sites in spine |
| M469 | Unspecified inflammatory spondylopathy |
| M4690 | Unspecified inflammatory spondylopathy, site unspecified |