About Section M45-M49

Section M45-M49 covers Spondylopathies within Chapter 13 of the ICD-10-CM Tabular List. This section includes diagnosis codes ranging from M45 to M49. Each code below includes its description, billable status, and links to detailed coding guidelines.

Diagnosis Codes 241 entries
M45Ankylosing spondylitisNon-BillableM45.0Ankylosing spondylitis of multiple sites in spineBillableM45.1Ankylosing spondylitis of occipito-atlanto-axial regionBillableM45.2Ankylosing spondylitis of cervical regionBillableM45.3Ankylosing spondylitis of cervicothoracic regionBillableM45.4Ankylosing spondylitis of thoracic regionBillableM45.5Ankylosing spondylitis of thoracolumbar regionBillableM45.6Ankylosing spondylitis lumbar regionBillableM45.7Ankylosing spondylitis of lumbosacral regionBillableM45.8Ankylosing spondylitis sacral and sacrococcygeal regionBillableM45.9Ankylosing spondylitis of unspecified sites in spineBillableM45.ANon-radiographic axial spondyloarthritisNon-BillableM45.A0Non-radiographic axial spondyloarthritis of unspecified sites in spineBillableM45.A1Non-radiographic axial spondyloarthritis of occipito-atlanto-axial regionBillableM45.A2Non-radiographic axial spondyloarthritis of cervical regionBillableM45.A3Non-radiographic axial spondyloarthritis of cervicothoracic regionBillableM45.A4Non-radiographic axial spondyloarthritis of thoracic regionBillableM45.A5Non-radiographic axial spondyloarthritis of thoracolumbar regionBillableM45.A6Non-radiographic axial spondyloarthritis of lumbar regionBillableM45.A7Non-radiographic axial spondyloarthritis of lumbosacral regionBillableM45.A8Non-radiographic axial spondyloarthritis of sacral and sacrococcygeal regionBillableM45.ABNon-radiographic axial spondyloarthritis of multiple sites in spineBillableM46Other inflammatory spondylopathiesNon-BillableM46.0Spinal enthesopathyNon-BillableM46.00Spinal enthesopathy, site unspecifiedBillableM46.01Spinal enthesopathy, occipito-atlanto-axial regionBillableM46.02Spinal enthesopathy, cervical regionBillableM46.03Spinal enthesopathy, cervicothoracic regionBillableM46.04Spinal enthesopathy, thoracic regionBillableM46.05Spinal enthesopathy, thoracolumbar regionBillableM46.06Spinal enthesopathy, lumbar regionBillableM46.07Spinal enthesopathy, lumbosacral regionBillableM46.08Spinal enthesopathy, sacral and sacrococcygeal regionBillableM46.09Spinal enthesopathy, multiple sites in spineBillableM46.1Sacroiliitis, not elsewhere classifiedBillableM46.2Osteomyelitis of vertebraNon-BillableM46.20Osteomyelitis of vertebra, site unspecifiedBillableM46.21Osteomyelitis of vertebra, occipito-atlanto-axial regionBillableM46.22Osteomyelitis of vertebra, cervical regionBillableM46.23Osteomyelitis of vertebra, cervicothoracic regionBillableM46.24Osteomyelitis of vertebra, thoracic regionBillableM46.25Osteomyelitis of vertebra, thoracolumbar regionBillableM46.26Osteomyelitis of vertebra, lumbar regionBillableM46.27Osteomyelitis of vertebra, lumbosacral regionBillableM46.28Osteomyelitis of vertebra, sacral and sacrococcygeal regionBillableM46.3Infection of intervertebral disc (pyogenic)Non-BillableM46.30Infection of intervertebral disc (pyogenic), site unspecifiedBillableM46.31Infection of intervertebral disc (pyogenic), occipito-atlanto-axial regionBillableM46.32Infection of intervertebral disc (pyogenic), cervical regionBillableM46.33Infection of intervertebral disc (pyogenic), cervicothoracic regionBillableM46.34Infection of intervertebral disc (pyogenic), thoracic regionBillableM46.35Infection of intervertebral disc (pyogenic), thoracolumbar regionBillableM46.36Infection of intervertebral disc (pyogenic), lumbar regionBillableM46.37Infection of intervertebral disc (pyogenic), lumbosacral regionBillableM46.38Infection of intervertebral disc (pyogenic), sacral and sacrococcygeal regionBillableM46.39Infection of intervertebral disc (pyogenic), multiple sites in spineBillableM46.4Discitis, unspecifiedNon-BillableM46.40Discitis, unspecified, site unspecifiedBillableM46.41Discitis, unspecified, occipito-atlanto-axial regionBillableM46.42Discitis, unspecified, cervical regionBillableM46.43Discitis, unspecified, cervicothoracic regionBillableM46.44Discitis, unspecified, thoracic regionBillableM46.45Discitis, unspecified, thoracolumbar regionBillableM46.46Discitis, unspecified, lumbar regionBillableM46.47Discitis, unspecified, lumbosacral regionBillableM46.48Discitis, unspecified, sacral and sacrococcygeal regionBillableM46.49Discitis, unspecified, multiple sites in spineBillableM46.5Other infective spondylopathiesNon-BillableM46.50Other infective spondylopathies, site unspecifiedBillableM46.51Other infective spondylopathies, occipito-atlanto-axial regionBillableM46.52Other infective spondylopathies, cervical regionBillableM46.53Other infective spondylopathies, cervicothoracic regionBillableM46.54Other infective spondylopathies, thoracic regionBillableM46.55Other infective spondylopathies, thoracolumbar regionBillableM46.56Other infective spondylopathies, lumbar regionBillableM46.57Other infective spondylopathies, lumbosacral regionBillableM46.58Other infective spondylopathies, sacral and sacrococcygeal regionBillableM46.59Other infective spondylopathies, multiple sites in spineBillableM46.8Other specified inflammatory spondylopathiesNon-BillableM46.80Other specified inflammatory spondylopathies, site unspecifiedBillableM46.81Other specified inflammatory spondylopathies, occipito-atlanto-axial regionBillableM46.82Other specified inflammatory spondylopathies, cervical regionBillableM46.83Other specified inflammatory spondylopathies, cervicothoracic regionBillableM46.84Other specified inflammatory spondylopathies, thoracic regionBillableM46.85Other specified inflammatory spondylopathies, thoracolumbar regionBillableM46.86Other specified inflammatory spondylopathies, lumbar regionBillableM46.87Other specified inflammatory spondylopathies, lumbosacral regionBillableM46.88Other specified inflammatory spondylopathies, sacral and sacrococcygeal regionBillableM46.89Other specified inflammatory spondylopathies, multiple sites in spineBillableM46.9Unspecified inflammatory spondylopathyNon-BillableM46.90Unspecified inflammatory spondylopathy, site unspecifiedBillableM46.91Unspecified inflammatory spondylopathy, occipito-atlanto-axial regionBillableM46.92Unspecified inflammatory spondylopathy, cervical regionBillableM46.93Unspecified inflammatory spondylopathy, cervicothoracic regionBillableM46.94Unspecified inflammatory spondylopathy, thoracic regionBillableM46.95Unspecified inflammatory spondylopathy, thoracolumbar regionBillableM46.96Unspecified inflammatory spondylopathy, lumbar regionBillableM46.97Unspecified inflammatory spondylopathy, lumbosacral regionBillableM46.98Unspecified inflammatory spondylopathy, sacral and sacrococcygeal regionBillableM46.99Unspecified inflammatory spondylopathy, multiple sites in spineBillableM47SpondylosisNon-BillableM47.0Anterior spinal and vertebral artery compression syndromesNon-BillableM47.01Anterior spinal artery compression syndromesNon-BillableM47.011Anterior spinal artery compression syndromes, occipito-atlanto-axial regionBillableM47.012Anterior spinal artery compression syndromes, cervical regionBillableM47.013Anterior spinal artery compression syndromes, cervicothoracic regionBillableM47.014Anterior spinal artery compression syndromes, thoracic regionBillableM47.015Anterior spinal artery compression syndromes, thoracolumbar regionBillableM47.016Anterior spinal artery compression syndromes, lumbar regionBillableM47.019Anterior spinal artery compression syndromes, site unspecifiedBillableM47.02Vertebral artery compression syndromesNon-BillableM47.021Vertebral artery compression syndromes, occipito-atlanto-axial regionBillableM47.022Vertebral artery compression syndromes, cervical regionBillableM47.029Vertebral artery compression syndromes, site unspecifiedBillableM47.1Other spondylosis with myelopathyNon-BillableM47.10Other spondylosis with myelopathy, site unspecifiedBillableM47.11Other spondylosis with myelopathy, occipito-atlanto-axial regionBillableM47.12Other spondylosis with myelopathy, cervical regionBillableM47.13Other spondylosis with myelopathy, cervicothoracic regionBillableM47.14Other spondylosis with myelopathy, thoracic regionBillableM47.15Other spondylosis with myelopathy, thoracolumbar regionBillableM47.16Other spondylosis with myelopathy, lumbar regionBillableM47.2Other spondylosis with radiculopathyNon-BillableM47.20Other spondylosis with radiculopathy, site unspecifiedBillableM47.21Other spondylosis with radiculopathy, occipito-atlanto-axial regionBillableM47.22Other spondylosis with radiculopathy, cervical regionBillableM47.23Other spondylosis with radiculopathy, cervicothoracic regionBillableM47.24Other spondylosis with radiculopathy, thoracic regionBillableM47.25Other spondylosis with radiculopathy, thoracolumbar regionBillableM47.26Other spondylosis with radiculopathy, lumbar regionBillableM47.27Other spondylosis with radiculopathy, lumbosacral regionBillableM47.28Other spondylosis with radiculopathy, sacral and sacrococcygeal regionBillableM47.8Other spondylosisNon-BillableM47.81Spondylosis without myelopathy or radiculopathyNon-BillableM47.811Spondylosis without myelopathy or radiculopathy, occipito-atlanto-axial regionBillableM47.812Spondylosis without myelopathy or radiculopathy, cervical regionBillableM47.813Spondylosis without myelopathy or radiculopathy, cervicothoracic regionBillableM47.814Spondylosis without myelopathy or radiculopathy, thoracic regionBillableM47.815Spondylosis without myelopathy or radiculopathy, thoracolumbar regionBillableM47.816Spondylosis without myelopathy or radiculopathy, lumbar regionBillableM47.817Spondylosis without myelopathy or radiculopathy, lumbosacral regionBillableM47.818Spondylosis without myelopathy or radiculopathy, sacral and sacrococcygeal regionBillableM47.819Spondylosis without myelopathy or radiculopathy, site unspecifiedBillableM47.89Other spondylosisNon-BillableM47.891Other spondylosis, occipito-atlanto-axial regionBillableM47.892Other spondylosis, cervical regionBillableM47.893Other spondylosis, cervicothoracic regionBillableM47.894Other spondylosis, thoracic regionBillableM47.895Other spondylosis, thoracolumbar regionBillableM47.896Other spondylosis, lumbar regionBillableM47.897Other spondylosis, lumbosacral regionBillableM47.898Other spondylosis, sacral and sacrococcygeal regionBillableM47.899Other spondylosis, site unspecifiedBillableM47.9Spondylosis, unspecifiedBillableM48Other spondylopathiesNon-BillableM48.0Spinal stenosisNon-BillableM48.00Spinal stenosis, site unspecifiedBillableM48.01Spinal stenosis, occipito-atlanto-axial regionBillableM48.02Spinal stenosis, cervical regionBillableM48.03Spinal stenosis, cervicothoracic regionBillableM48.04Spinal stenosis, thoracic regionBillableM48.05Spinal stenosis, thoracolumbar regionBillableM48.06Spinal stenosis, lumbar regionNon-BillableM48.061Spinal stenosis, lumbar region without neurogenic claudicationBillableM48.062Spinal stenosis, lumbar region with neurogenic claudicationBillableM48.07Spinal stenosis, lumbosacral regionBillableM48.08Spinal stenosis, sacral and sacrococcygeal regionBillableM48.1Ankylosing hyperostosis [Forestier]Non-BillableM48.10Ankylosing hyperostosis [Forestier], site unspecifiedBillableM48.11Ankylosing hyperostosis [Forestier], occipito-atlanto-axial regionBillableM48.12Ankylosing hyperostosis [Forestier], cervical regionBillableM48.13Ankylosing hyperostosis [Forestier], cervicothoracic regionBillableM48.14Ankylosing hyperostosis [Forestier], thoracic regionBillableM48.15Ankylosing hyperostosis [Forestier], thoracolumbar regionBillableM48.16Ankylosing hyperostosis [Forestier], lumbar regionBillableM48.17Ankylosing hyperostosis [Forestier], lumbosacral regionBillableM48.18Ankylosing hyperostosis [Forestier], sacral and sacrococcygeal regionBillableM48.19Ankylosing hyperostosis [Forestier], multiple sites in spineBillableM48.2Kissing spineNon-BillableM48.20Kissing spine, site unspecifiedBillableM48.21Kissing spine, occipito-atlanto-axial regionBillableM48.22Kissing spine, cervical regionBillableM48.23Kissing spine, cervicothoracic regionBillableM48.24Kissing spine, thoracic regionBillableM48.25Kissing spine, thoracolumbar regionBillableM48.26Kissing spine, lumbar regionBillableM48.27Kissing spine, lumbosacral regionBillableM48.3Traumatic spondylopathyNon-BillableM48.30Traumatic spondylopathy, site unspecifiedBillableM48.31Traumatic spondylopathy, occipito-atlanto-axial regionBillableM48.32Traumatic spondylopathy, cervical regionBillableM48.33Traumatic spondylopathy, cervicothoracic regionBillableM48.34Traumatic spondylopathy, thoracic regionBillableM48.35Traumatic spondylopathy, thoracolumbar regionBillableM48.36Traumatic spondylopathy, lumbar regionBillableM48.37Traumatic spondylopathy, lumbosacral regionBillableM48.38Traumatic spondylopathy, sacral and sacrococcygeal regionBillableM48.4Fatigue fracture of vertebraNon-BillableM48.40Fatigue fracture of vertebra, site unspecifiedBillableM48.41Fatigue fracture of vertebra, occipito-atlanto-axial regionBillableM48.42Fatigue fracture of vertebra, cervical regionBillableM48.43Fatigue fracture of vertebra, cervicothoracic regionBillableM48.44Fatigue fracture of vertebra, thoracic regionBillableM48.45Fatigue fracture of vertebra, thoracolumbar regionBillableM48.46Fatigue fracture of vertebra, lumbar regionBillableM48.47Fatigue fracture of vertebra, lumbosacral regionBillableM48.48Fatigue fracture of vertebra, sacral and sacrococcygeal regionBillableM48.5Collapsed vertebra, not elsewhere classifiedNon-BillableM48.50Collapsed vertebra, not elsewhere classified, site unspecifiedBillableM48.51Collapsed vertebra, not elsewhere classified, occipito-atlanto-axial regionBillableM48.52Collapsed vertebra, not elsewhere classified, cervical regionBillableM48.53Collapsed vertebra, not elsewhere classified, cervicothoracic regionBillableM48.54Collapsed vertebra, not elsewhere classified, thoracic regionBillableM48.55Collapsed vertebra, not elsewhere classified, thoracolumbar regionBillableM48.56Collapsed vertebra, not elsewhere classified, lumbar regionBillableM48.57Collapsed vertebra, not elsewhere classified, lumbosacral regionBillableM48.58Collapsed vertebra, not elsewhere classified, sacral and sacrococcygeal regionBillableM48.8Other specified spondylopathiesNon-BillableM48.8XOther specified spondylopathiesNon-BillableM48.8X1Other specified spondylopathies, occipito-atlanto-axial regionBillableM48.8X2Other specified spondylopathies, cervical regionBillableM48.8X3Other specified spondylopathies, cervicothoracic regionBillableM48.8X4Other specified spondylopathies, thoracic regionBillableM48.8X5Other specified spondylopathies, thoracolumbar regionBillableM48.8X6Other specified spondylopathies, lumbar regionBillableM48.8X7Other specified spondylopathies, lumbosacral regionBillableM48.8X8Other specified spondylopathies, sacral and sacrococcygeal regionBillableM48.8X9Other specified spondylopathies, site unspecifiedBillableM48.9Spondylopathy, unspecifiedBillableM49Spondylopathies in diseases classified elsewhereNon-BillableM49.8Spondylopathy in diseases classified elsewhereNon-BillableM49.80Spondylopathy in diseases classified elsewhere, site unspecifiedBillableM49.81Spondylopathy in diseases classified elsewhere, occipito-atlanto-axial regionBillableM49.82Spondylopathy in diseases classified elsewhere, cervical regionBillableM49.83Spondylopathy in diseases classified elsewhere, cervicothoracic regionBillableM49.84Spondylopathy in diseases classified elsewhere, thoracic regionBillableM49.85Spondylopathy in diseases classified elsewhere, thoracolumbar regionBillableM49.86Spondylopathy in diseases classified elsewhere, lumbar regionBillableM49.87Spondylopathy in diseases classified elsewhere, lumbosacral regionBillableM49.88Spondylopathy in diseases classified elsewhere, sacral and sacrococcygeal regionBillableM49.89Spondylopathy in diseases classified elsewhere, multiple sites in spineBillable