Spondylopathies (M45-M49)
M45Ankylosing spondylitis
› Rheumatoid arthritis of spine
Excludes 1: arthropathy in Reiter's disease (M02.3-)
› juvenile (ankylosing) spondylitis (M08.1)
Excludes 2: Behçet's disease (M35.2)
M45.0Ankylosing spondylitis of multiple sites in spine
M45.1Ankylosing spondylitis of occipito-atlanto-axial region
M45.2Ankylosing spondylitis of cervical region
M45.3Ankylosing spondylitis of cervicothoracic region
M45.4Ankylosing spondylitis of thoracic region
M45.5Ankylosing spondylitis of thoracolumbar region
M45.6Ankylosing spondylitis lumbar region
M45.7Ankylosing spondylitis of lumbosacral region
M45.8Ankylosing spondylitis sacral and sacrococcygeal region
M45.9Ankylosing spondylitis of unspecified sites in spine
M45.ANon-radiographic axial spondyloarthritis
M45.A0Non-radiographic axial spondyloarthritis of unspecified sites in spine
M45.A1Non-radiographic axial spondyloarthritis of occipito-atlanto-axial region
M45.A2Non-radiographic axial spondyloarthritis of cervical region
M45.A3Non-radiographic axial spondyloarthritis of cervicothoracic region
M45.A4Non-radiographic axial spondyloarthritis of thoracic region
M45.A5Non-radiographic axial spondyloarthritis of thoracolumbar region
M45.A6Non-radiographic axial spondyloarthritis of lumbar region
M45.A7Non-radiographic axial spondyloarthritis of lumbosacral region
M45.A8Non-radiographic axial spondyloarthritis of sacral and sacrococcygeal region
M45.ABNon-radiographic axial spondyloarthritis of multiple sites in spine
M46Other inflammatory spondylopathies
M46.0Spinal enthesopathy
› Disorder of ligamentous or muscular attachments of spine
M46.00Spinal enthesopathy, site unspecified
M46.01Spinal enthesopathy, occipito-atlanto-axial region
M46.02Spinal enthesopathy, cervical region
M46.03Spinal enthesopathy, cervicothoracic region
M46.04Spinal enthesopathy, thoracic region
M46.05Spinal enthesopathy, thoracolumbar region
M46.06Spinal enthesopathy, lumbar region
M46.07Spinal enthesopathy, lumbosacral region
M46.08Spinal enthesopathy, sacral and sacrococcygeal region
M46.09Spinal enthesopathy, multiple sites in spine
M46.1Sacroiliitis, not elsewhere classified
M46.2Osteomyelitis of vertebra
M46.20Osteomyelitis of vertebra, site unspecified
M46.21Osteomyelitis of vertebra, occipito-atlanto-axial region
M46.22Osteomyelitis of vertebra, cervical region
M46.23Osteomyelitis of vertebra, cervicothoracic region
M46.24Osteomyelitis of vertebra, thoracic region
M46.25Osteomyelitis of vertebra, thoracolumbar region
M46.26Osteomyelitis of vertebra, lumbar region
M46.27Osteomyelitis of vertebra, lumbosacral region
M46.28Osteomyelitis of vertebra, sacral and sacrococcygeal region
M46.3Infection of intervertebral disc (pyogenic)
Use Additional Code: code (B95-B97) to identify infectious agent.
M46.30Infection of intervertebral disc (pyogenic), site unspecified
M46.31Infection of intervertebral disc (pyogenic), occipito-atlanto-axial region
M46.32Infection of intervertebral disc (pyogenic), cervical region
M46.33Infection of intervertebral disc (pyogenic), cervicothoracic region
M46.34Infection of intervertebral disc (pyogenic), thoracic region
M46.35Infection of intervertebral disc (pyogenic), thoracolumbar region
M46.36Infection of intervertebral disc (pyogenic), lumbar region
M46.37Infection of intervertebral disc (pyogenic), lumbosacral region
M46.38Infection of intervertebral disc (pyogenic), sacral and sacrococcygeal region
M46.39Infection of intervertebral disc (pyogenic), multiple sites in spine
M46.4Discitis, unspecified
M46.40Discitis, unspecified, site unspecified
M46.41Discitis, unspecified, occipito-atlanto-axial region
M46.42Discitis, unspecified, cervical region
M46.43Discitis, unspecified, cervicothoracic region
M46.44Discitis, unspecified, thoracic region
M46.45Discitis, unspecified, thoracolumbar region
M46.46Discitis, unspecified, lumbar region
M46.47Discitis, unspecified, lumbosacral region
M46.48Discitis, unspecified, sacral and sacrococcygeal region
M46.49Discitis, unspecified, multiple sites in spine
M46.5Other infective spondylopathies
M46.50Other infective spondylopathies, site unspecified
M46.51Other infective spondylopathies, occipito-atlanto-axial region
M46.52Other infective spondylopathies, cervical region
M46.53Other infective spondylopathies, cervicothoracic region
M46.54Other infective spondylopathies, thoracic region
M46.55Other infective spondylopathies, thoracolumbar region
M46.56Other infective spondylopathies, lumbar region
M46.57Other infective spondylopathies, lumbosacral region
M46.58Other infective spondylopathies, sacral and sacrococcygeal region
M46.59Other infective spondylopathies, multiple sites in spine
M46.8Other specified inflammatory spondylopathies
M46.80Other specified inflammatory spondylopathies, site unspecified
M46.81Other specified inflammatory spondylopathies, occipito-atlanto-axial region
M46.82Other specified inflammatory spondylopathies, cervical region
M46.83Other specified inflammatory spondylopathies, cervicothoracic region
M46.84Other specified inflammatory spondylopathies, thoracic region
M46.85Other specified inflammatory spondylopathies, thoracolumbar region
M46.86Other specified inflammatory spondylopathies, lumbar region
M46.87Other specified inflammatory spondylopathies, lumbosacral region
M46.88Other specified inflammatory spondylopathies, sacral and sacrococcygeal region
M46.89Other specified inflammatory spondylopathies, multiple sites in spine
M46.9Unspecified inflammatory spondylopathy
M46.90Unspecified inflammatory spondylopathy, site unspecified
M46.91Unspecified inflammatory spondylopathy, occipito-atlanto-axial region
M46.92Unspecified inflammatory spondylopathy, cervical region
M46.93Unspecified inflammatory spondylopathy, cervicothoracic region
M46.94Unspecified inflammatory spondylopathy, thoracic region
M46.95Unspecified inflammatory spondylopathy, thoracolumbar region
M46.96Unspecified inflammatory spondylopathy, lumbar region
M46.97Unspecified inflammatory spondylopathy, lumbosacral region
M46.98Unspecified inflammatory spondylopathy, sacral and sacrococcygeal region
M46.99Unspecified inflammatory spondylopathy, multiple sites in spine
M47Spondylosis
Includes: arthrosis or osteoarthritis of spine
› degeneration of facet joints
M47.0Anterior spinal and vertebral artery compression syndromes
M47.01Anterior spinal artery compression syndromes
M47.011Anterior spinal artery compression syndromes, occipito-atlanto-axial region
M47.012Anterior spinal artery compression syndromes, cervical region
M47.013Anterior spinal artery compression syndromes, cervicothoracic region
M47.014Anterior spinal artery compression syndromes, thoracic region
M47.015Anterior spinal artery compression syndromes, thoracolumbar region
M47.016Anterior spinal artery compression syndromes, lumbar region
M47.019Anterior spinal artery compression syndromes, site unspecified
M47.02Vertebral artery compression syndromes
M47.021Vertebral artery compression syndromes, occipito-atlanto-axial region
M47.022Vertebral artery compression syndromes, cervical region
M47.029Vertebral artery compression syndromes, site unspecified
M47.1Other spondylosis with myelopathy
› Spondylogenic compression of spinal cord
Excludes 1: vertebral subluxation (M43.3-M43.5X9)
M47.10Other spondylosis with myelopathy, site unspecified
M47.11Other spondylosis with myelopathy, occipito-atlanto-axial region
M47.12Other spondylosis with myelopathy, cervical region
M47.13Other spondylosis with myelopathy, cervicothoracic region
M47.14Other spondylosis with myelopathy, thoracic region
M47.15Other spondylosis with myelopathy, thoracolumbar region
M47.16Other spondylosis with myelopathy, lumbar region
M47.2Other spondylosis with radiculopathy
M47.20Other spondylosis with radiculopathy, site unspecified
M47.21Other spondylosis with radiculopathy, occipito-atlanto-axial region
M47.22Other spondylosis with radiculopathy, cervical region
M47.23Other spondylosis with radiculopathy, cervicothoracic region
M47.24Other spondylosis with radiculopathy, thoracic region
M47.25Other spondylosis with radiculopathy, thoracolumbar region
M47.26Other spondylosis with radiculopathy, lumbar region
M47.27Other spondylosis with radiculopathy, lumbosacral region
M47.28Other spondylosis with radiculopathy, sacral and sacrococcygeal region
M47.8Other spondylosis
M47.81Spondylosis without myelopathy or radiculopathy
M47.811Spondylosis without myelopathy or radiculopathy, occipito-atlanto-axial region
M47.812Spondylosis without myelopathy or radiculopathy, cervical region
M47.813Spondylosis without myelopathy or radiculopathy, cervicothoracic region
M47.814Spondylosis without myelopathy or radiculopathy, thoracic region
M47.815Spondylosis without myelopathy or radiculopathy, thoracolumbar region
M47.816Spondylosis without myelopathy or radiculopathy, lumbar region
M47.817Spondylosis without myelopathy or radiculopathy, lumbosacral region
M47.818Spondylosis without myelopathy or radiculopathy, sacral and sacrococcygeal region
M47.819Spondylosis without myelopathy or radiculopathy, site unspecified
M47.89Other spondylosis
M47.891Other spondylosis, occipito-atlanto-axial region
M47.892Other spondylosis, cervical region
M47.893Other spondylosis, cervicothoracic region
M47.894Other spondylosis, thoracic region
M47.895Other spondylosis, thoracolumbar region
M47.896Other spondylosis, lumbar region
M47.897Other spondylosis, lumbosacral region
M47.898Other spondylosis, sacral and sacrococcygeal region
M47.899Other spondylosis, site unspecified
M47.9Spondylosis, unspecified
M48Other spondylopathies
M48.0Spinal stenosis
› Caudal stenosis
M48.00Spinal stenosis, site unspecified
M48.01Spinal stenosis, occipito-atlanto-axial region
M48.02Spinal stenosis, cervical region
M48.03Spinal stenosis, cervicothoracic region
M48.04Spinal stenosis, thoracic region
M48.05Spinal stenosis, thoracolumbar region
M48.06Spinal stenosis, lumbar region
M48.061Spinal stenosis, lumbar region without neurogenic claudication
› Spinal stenosis, lumbar region NOS
M48.062Spinal stenosis, lumbar region with neurogenic claudication
M48.07Spinal stenosis, lumbosacral region
M48.08Spinal stenosis, sacral and sacrococcygeal region
M48.1Ankylosing hyperostosis [Forestier]
› Diffuse idiopathic skeletal hyperostosis [DISH]
M48.10Ankylosing hyperostosis [Forestier], site unspecified
M48.11Ankylosing hyperostosis [Forestier], occipito-atlanto-axial region
M48.12Ankylosing hyperostosis [Forestier], cervical region
M48.13Ankylosing hyperostosis [Forestier], cervicothoracic region
M48.14Ankylosing hyperostosis [Forestier], thoracic region
M48.15Ankylosing hyperostosis [Forestier], thoracolumbar region
M48.16Ankylosing hyperostosis [Forestier], lumbar region
M48.17Ankylosing hyperostosis [Forestier], lumbosacral region
M48.18Ankylosing hyperostosis [Forestier], sacral and sacrococcygeal region
M48.19Ankylosing hyperostosis [Forestier], multiple sites in spine
M48.2Kissing spine
M48.20Kissing spine, site unspecified
M48.21Kissing spine, occipito-atlanto-axial region
M48.22Kissing spine, cervical region
M48.23Kissing spine, cervicothoracic region
M48.24Kissing spine, thoracic region
M48.25Kissing spine, thoracolumbar region
M48.26Kissing spine, lumbar region
M48.27Kissing spine, lumbosacral region
M48.3Traumatic spondylopathy
M48.30Traumatic spondylopathy, site unspecified
M48.31Traumatic spondylopathy, occipito-atlanto-axial region
M48.32Traumatic spondylopathy, cervical region
M48.33Traumatic spondylopathy, cervicothoracic region
M48.34Traumatic spondylopathy, thoracic region
M48.35Traumatic spondylopathy, thoracolumbar region
M48.36Traumatic spondylopathy, lumbar region
M48.37Traumatic spondylopathy, lumbosacral region
M48.38Traumatic spondylopathy, sacral and sacrococcygeal region
M48.4Fatigue fracture of vertebra
› Stress fracture of vertebra
Excludes 1: pathological fracture NOS (M84.4-)
› pathological fracture of vertebra due to neoplasm (M84.58)
› pathological fracture of vertebra due to other diagnosis (M84.68)
› pathological fracture of vertebra due to osteoporosis (M80.-)
› traumatic fracture of vertebrae (S12.0-S12.3-, S22.0-, S32.0-)
The appropriate 7th character is to be added to each code from subcategory M48.4:
7th Character: A :: initial encounter for fracture
› D :: subsequent encounter for fracture with routine healing
› G :: subsequent encounter for fracture with delayed healing
› S :: sequela of fracture
M48.40Fatigue fracture of vertebra, site unspecified
M48.41Fatigue fracture of vertebra, occipito-atlanto-axial region
M48.42Fatigue fracture of vertebra, cervical region
M48.43Fatigue fracture of vertebra, cervicothoracic region
M48.44Fatigue fracture of vertebra, thoracic region
M48.45Fatigue fracture of vertebra, thoracolumbar region
M48.46Fatigue fracture of vertebra, lumbar region
M48.47Fatigue fracture of vertebra, lumbosacral region
M48.48Fatigue fracture of vertebra, sacral and sacrococcygeal region
M48.5Collapsed vertebra, not elsewhere classified
› Collapsed vertebra NOS
› Compression fracture of vertebra NOS
› Wedging of vertebra NOS
Excludes 1: current injury - see Injury of spine, by body region
› fatigue fracture of vertebra (M48.4)
› pathological fracture of vertebra due to neoplasm (M84.58)
› pathological fracture of vertebra due to other diagnosis (M84.68)
› pathological fracture of vertebra due to osteoporosis (M80.-)
› pathological fracture NOS (M84.4-)
› stress fracture of vertebra (M48.4-)
› traumatic fracture of vertebra (S12.-, S22.-, S32.-)
The appropriate 7th character is to be added to each code from subcategory M48.5:
7th Character: A :: initial encounter for fracture
› D :: subsequent encounter for fracture with routine healing
› G :: subsequent encounter for fracture with delayed healing
› S :: sequela of fracture
M48.50Collapsed vertebra, not elsewhere classified, site unspecified
M48.51Collapsed vertebra, not elsewhere classified, occipito-atlanto-axial region
M48.52Collapsed vertebra, not elsewhere classified, cervical region
M48.53Collapsed vertebra, not elsewhere classified, cervicothoracic region
M48.54Collapsed vertebra, not elsewhere classified, thoracic region
M48.55Collapsed vertebra, not elsewhere classified, thoracolumbar region
M48.56Collapsed vertebra, not elsewhere classified, lumbar region
M48.57Collapsed vertebra, not elsewhere classified, lumbosacral region
M48.58Collapsed vertebra, not elsewhere classified, sacral and sacrococcygeal region
M48.8Other specified spondylopathies
› Ossification of posterior longitudinal ligament
M48.8XOther specified spondylopathies
M48.8X1Other specified spondylopathies, occipito-atlanto-axial region
M48.8X2Other specified spondylopathies, cervical region
M48.8X3Other specified spondylopathies, cervicothoracic region
M48.8X4Other specified spondylopathies, thoracic region
M48.8X5Other specified spondylopathies, thoracolumbar region
M48.8X6Other specified spondylopathies, lumbar region
M48.8X7Other specified spondylopathies, lumbosacral region
M48.8X8Other specified spondylopathies, sacral and sacrococcygeal region
M48.8X9Other specified spondylopathies, site unspecified
M48.9Spondylopathy, unspecified
M49Spondylopathies in diseases classified elsewhere
Includes: curvature of spine in diseases classified elsewhere
› deformity of spine in diseases classified elsewhere
› kyphosis in diseases classified elsewhere
› scoliosis in diseases classified elsewhere
› spondylopathy in diseases classified elsewhere
Code First: underlying disease, such as:
› brucellosis (A23.-)
› Charcot-Marie-Tooth disease (G60.0)
› enterobacterial infections (A01-A04)
› osteitis fibrosa cystica (E21.0)
Excludes 1: curvature of spine in tuberculosis [Pott's] (A18.01)
› enteropathic arthropathies (M07.-)
› gonococcal spondylitis (A54.41)
› neuropathic [tabes dorsalis] spondylitis (A52.11)
› neuropathic spondylopathy in syringomyelia (G95.0)
› neuropathic spondylopathy in tabes dorsalis (A52.11)
› nonsyphilitic neuropathic spondylopathy NEC (G98.0)
› spondylitis in syphilis (acquired) (A52.77)
› tuberculous spondylitis (A18.01)
› typhoid fever spondylitis (A01.05)
M49.8Spondylopathy in diseases classified elsewhere
M49.80Spondylopathy in diseases classified elsewhere, site unspecified
M49.81Spondylopathy in diseases classified elsewhere, occipito-atlanto-axial region
M49.82Spondylopathy in diseases classified elsewhere, cervical region
M49.83Spondylopathy in diseases classified elsewhere, cervicothoracic region
M49.84Spondylopathy in diseases classified elsewhere, thoracic region
M49.85Spondylopathy in diseases classified elsewhere, thoracolumbar region
M49.86Spondylopathy in diseases classified elsewhere, lumbar region
M49.87Spondylopathy in diseases classified elsewhere, lumbosacral region
M49.88Spondylopathy in diseases classified elsewhere, sacral and sacrococcygeal region
M49.89Spondylopathy in diseases classified elsewhere, multiple sites in spine