| M46 | Other inflammatory spondylopathies | NON-BILLABLE CODE |
| M46.0 | Spinal enthesopathy | NON-BILLABLE CODE |
| M46.00 | Spinal enthesopathy, site unspecified | BILLABLE CODE |
| M46.01 | Spinal enthesopathy, occipito-atlanto-axial region | BILLABLE CODE |
| M46.02 | Spinal enthesopathy, cervical region | BILLABLE CODE |
| M46.03 | Spinal enthesopathy, cervicothoracic region | BILLABLE CODE |
| M46.04 | Spinal enthesopathy, thoracic region | BILLABLE CODE |
| M46.05 | Spinal enthesopathy, thoracolumbar region | BILLABLE CODE |
| M46.06 | Spinal enthesopathy, lumbar region | BILLABLE CODE |
| M46.07 | Spinal enthesopathy, lumbosacral region | BILLABLE CODE |
| M46.08 | Spinal enthesopathy, sacral and sacrococcygeal region | BILLABLE CODE |
| M46.09 | Spinal enthesopathy, multiple sites in spine | BILLABLE CODE |
| M46.1 | Sacroiliitis, not elsewhere classified | BILLABLE CODE |
| M46.2 | Osteomyelitis of vertebra | NON-BILLABLE CODE |
| M46.20 | Osteomyelitis of vertebra, site unspecified | BILLABLE CODE |
| M46.21 | Osteomyelitis of vertebra, occipito-atlanto-axial region | BILLABLE CODE |
| M46.22 | Osteomyelitis of vertebra, cervical region | BILLABLE CODE |
| M46.23 | Osteomyelitis of vertebra, cervicothoracic region | BILLABLE CODE |
| M46.24 | Osteomyelitis of vertebra, thoracic region | BILLABLE CODE |
| M46.25 | Osteomyelitis of vertebra, thoracolumbar region | BILLABLE CODE |
| M46.26 | Osteomyelitis of vertebra, lumbar region | BILLABLE CODE |
| M46.27 | Osteomyelitis of vertebra, lumbosacral region | BILLABLE CODE |
| M46.28 | Osteomyelitis of vertebra, sacral and sacrococcygeal region | BILLABLE CODE |
| M46.3 | Infection of intervertebral disc (pyogenic) | NON-BILLABLE CODE |
| M46.30 | Infection of intervertebral disc (pyogenic), site unspecified | BILLABLE CODE |
| M46.31 | Infection of intervertebral disc (pyogenic), occipito-atlanto-axial region | BILLABLE CODE |
| M46.32 | Infection of intervertebral disc (pyogenic), cervical region | BILLABLE CODE |
| M46.33 | Infection of intervertebral disc (pyogenic), cervicothoracic region | BILLABLE CODE |
| M46.34 | Infection of intervertebral disc (pyogenic), thoracic region | BILLABLE CODE |
| M46.35 | Infection of intervertebral disc (pyogenic), thoracolumbar region | BILLABLE CODE |
| M46.36 | Infection of intervertebral disc (pyogenic), lumbar region | BILLABLE CODE |
| M46.37 | Infection of intervertebral disc (pyogenic), lumbosacral region | BILLABLE CODE |
| M46.38 | Infection of intervertebral disc (pyogenic), sacral and sacrococcygeal region | BILLABLE CODE |
| M46.39 | Infection of intervertebral disc (pyogenic), multiple sites in spine | BILLABLE CODE |
| M46.4 | Discitis, unspecified | NON-BILLABLE CODE |
| M46.40 | Discitis, unspecified, site unspecified | BILLABLE CODE |
| M46.41 | Discitis, unspecified, occipito-atlanto-axial region | BILLABLE CODE |
| M46.42 | Discitis, unspecified, cervical region | BILLABLE CODE |
| M46.43 | Discitis, unspecified, cervicothoracic region | BILLABLE CODE |
| M46.44 | Discitis, unspecified, thoracic region | BILLABLE CODE |
| M46.45 | Discitis, unspecified, thoracolumbar region | BILLABLE CODE |
| M46.46 | Discitis, unspecified, lumbar region | BILLABLE CODE |
| M46.47 | Discitis, unspecified, lumbosacral region | BILLABLE CODE |
| M46.48 | Discitis, unspecified, sacral and sacrococcygeal region | BILLABLE CODE |
| M46.49 | Discitis, unspecified, multiple sites in spine | BILLABLE CODE |
| M46.5 | Other infective spondylopathies | NON-BILLABLE CODE |
| M46.50 | Other infective spondylopathies, site unspecified | BILLABLE CODE |
| M46.51 | Other infective spondylopathies, occipito-atlanto-axial region | BILLABLE CODE |
| M46.52 | Other infective spondylopathies, cervical region | BILLABLE CODE |
| M46.53 | Other infective spondylopathies, cervicothoracic region | BILLABLE CODE |
| M46.54 | Other infective spondylopathies, thoracic region | BILLABLE CODE |
| M46.55 | Other infective spondylopathies, thoracolumbar region | BILLABLE CODE |
| M46.56 | Other infective spondylopathies, lumbar region | BILLABLE CODE |
| M46.57 | Other infective spondylopathies, lumbosacral region | BILLABLE CODE |
| M46.58 | Other infective spondylopathies, sacral and sacrococcygeal region | BILLABLE CODE |
| M46.59 | Other infective spondylopathies, multiple sites in spine | BILLABLE CODE |
| M46.8 | Other specified inflammatory spondylopathies | NON-BILLABLE CODE |
| M46.80 | Other specified inflammatory spondylopathies, site unspecified | BILLABLE CODE |
| M46.81 | Other specified inflammatory spondylopathies, occipito-atlanto-axial region | BILLABLE CODE |
| M46.82 | Other specified inflammatory spondylopathies, cervical region | BILLABLE CODE |
| M46.83 | Other specified inflammatory spondylopathies, cervicothoracic region | BILLABLE CODE |
| M46.84 | Other specified inflammatory spondylopathies, thoracic region | BILLABLE CODE |
| M46.85 | Other specified inflammatory spondylopathies, thoracolumbar region | BILLABLE CODE |
| M46.87 | Other specified inflammatory spondylopathies, lumbosacral region | BILLABLE CODE |
| M46.88 | Other specified inflammatory spondylopathies, sacral and sacrococcygeal region | BILLABLE CODE |
| M46.89 | Other specified inflammatory spondylopathies, multiple sites in spine | BILLABLE CODE |
| M46.9 | Unspecified inflammatory spondylopathy | NON-BILLABLE CODE |
| M46.90 | Unspecified inflammatory spondylopathy, site unspecified | BILLABLE CODE |
| M46.91 | Unspecified inflammatory spondylopathy, occipito-atlanto-axial region | BILLABLE CODE |
| M46.92 | Unspecified inflammatory spondylopathy, cervical region | BILLABLE CODE |
| M46.93 | Unspecified inflammatory spondylopathy, cervicothoracic region | BILLABLE CODE |
| M46.94 | Unspecified inflammatory spondylopathy, thoracic region | BILLABLE CODE |
| M46.95 | Unspecified inflammatory spondylopathy, thoracolumbar region | BILLABLE CODE |
| M46.96 | Unspecified inflammatory spondylopathy, lumbar region | BILLABLE CODE |
| M46.97 | Unspecified inflammatory spondylopathy, lumbosacral region | BILLABLE CODE |
| M46.98 | Unspecified inflammatory spondylopathy, sacral and sacrococcygeal region | BILLABLE CODE |
| M46.99 | Unspecified inflammatory spondylopathy, multiple sites in spine | BILLABLE CODE |
