ICD-10-CM Book 2024 Edition

Chapters  /  Chapter 13  /  M45-M49

Spondylopathies (M45-M49)

M45 Ankylosing spondylitis
Rheumatoid arthritis of spine
Excludes1 arthropathy in Reiter's disease (M02.3-)
juvenile (ankylosing) spondylitis (M08.1)
Excludes2 Behçet's disease (M35.2)
M45.0 Ankylosing spondylitis of multiple sites in spine
M45.1 Ankylosing spondylitis of occipito-atlanto-axial region
M45.2 Ankylosing spondylitis of cervical region
M45.3 Ankylosing spondylitis of cervicothoracic region
M45.4 Ankylosing spondylitis of thoracic region
M45.5 Ankylosing spondylitis of thoracolumbar region
M45.6 Ankylosing spondylitis lumbar region
M45.7 Ankylosing spondylitis of lumbosacral region
M45.8 Ankylosing spondylitis sacral and sacrococcygeal region
M45.9 Ankylosing spondylitis of unspecified sites in spine
M45.A Non-radiographic axial spondyloarthritis
M45.A0 Non-radiographic axial spondyloarthritis of unspecified sites in spine
M45.A1 Non-radiographic axial spondyloarthritis of occipito-atlanto-axial region
M45.A2 Non-radiographic axial spondyloarthritis of cervical region
M45.A3 Non-radiographic axial spondyloarthritis of cervicothoracic region
M45.A4 Non-radiographic axial spondyloarthritis of thoracic region
M45.A5 Non-radiographic axial spondyloarthritis of thoracolumbar region
M45.A6 Non-radiographic axial spondyloarthritis of lumbar region
M45.A7 Non-radiographic axial spondyloarthritis of lumbosacral region
M45.A8 Non-radiographic axial spondyloarthritis of sacral and sacrococcygeal region
M45.AB Non-radiographic axial spondyloarthritis of multiple sites in spine
M46 Other inflammatory spondylopathies
M46.0 Spinal enthesopathy
Disorder of ligamentous or muscular attachments of spine
M46.00 Spinal enthesopathy, site unspecified
M46.01 Spinal enthesopathy, occipito-atlanto-axial region
M46.02 Spinal enthesopathy, cervical region
M46.03 Spinal enthesopathy, cervicothoracic region
M46.04 Spinal enthesopathy, thoracic region
M46.05 Spinal enthesopathy, thoracolumbar region
M46.06 Spinal enthesopathy, lumbar region
M46.07 Spinal enthesopathy, lumbosacral region
M46.08 Spinal enthesopathy, sacral and sacrococcygeal region
M46.09 Spinal enthesopathy, multiple sites in spine
M46.1 Sacroiliitis, not elsewhere classified
M46.2 Osteomyelitis of vertebra
M46.20 Osteomyelitis of vertebra, site unspecified
M46.21 Osteomyelitis of vertebra, occipito-atlanto-axial region
M46.22 Osteomyelitis of vertebra, cervical region
M46.23 Osteomyelitis of vertebra, cervicothoracic region
M46.24 Osteomyelitis of vertebra, thoracic region
M46.25 Osteomyelitis of vertebra, thoracolumbar region
M46.26 Osteomyelitis of vertebra, lumbar region
M46.27 Osteomyelitis of vertebra, lumbosacral region
M46.28 Osteomyelitis of vertebra, sacral and sacrococcygeal region
M46.3 Infection of intervertebral disc (pyogenic)
UseAdditionalCode code (B95-B97) to identify infectious agent.
M46.30 Infection of intervertebral disc (pyogenic), site unspecified
M46.31 Infection of intervertebral disc (pyogenic), occipito-atlanto-axial region
M46.32 Infection of intervertebral disc (pyogenic), cervical region
M46.33 Infection of intervertebral disc (pyogenic), cervicothoracic region
M46.34 Infection of intervertebral disc (pyogenic), thoracic region
M46.35 Infection of intervertebral disc (pyogenic), thoracolumbar region
M46.36 Infection of intervertebral disc (pyogenic), lumbar region
M46.37 Infection of intervertebral disc (pyogenic), lumbosacral region
M46.38 Infection of intervertebral disc (pyogenic), sacral and sacrococcygeal region
M46.39 Infection of intervertebral disc (pyogenic), multiple sites in spine
M46.4 Discitis, unspecified
M46.40 Discitis, unspecified, site unspecified
M46.41 Discitis, unspecified, occipito-atlanto-axial region
M46.42 Discitis, unspecified, cervical region
M46.43 Discitis, unspecified, cervicothoracic region
M46.44 Discitis, unspecified, thoracic region
M46.45 Discitis, unspecified, thoracolumbar region
M46.46 Discitis, unspecified, lumbar region
M46.47 Discitis, unspecified, lumbosacral region
M46.48 Discitis, unspecified, sacral and sacrococcygeal region
M46.49 Discitis, unspecified, multiple sites in spine
M46.5 Other infective spondylopathies
M46.50 Other infective spondylopathies, site unspecified
M46.51 Other infective spondylopathies, occipito-atlanto-axial region
M46.52 Other infective spondylopathies, cervical region
M46.53 Other infective spondylopathies, cervicothoracic region
M46.54 Other infective spondylopathies, thoracic region
M46.55 Other infective spondylopathies, thoracolumbar region
M46.56 Other infective spondylopathies, lumbar region
M46.57 Other infective spondylopathies, lumbosacral region
M46.58 Other infective spondylopathies, sacral and sacrococcygeal region
M46.59 Other infective spondylopathies, multiple sites in spine
M46.8 Other specified inflammatory spondylopathies
M46.80 Other specified inflammatory spondylopathies, site unspecified
M46.81 Other specified inflammatory spondylopathies, occipito-atlanto-axial region
M46.82 Other specified inflammatory spondylopathies, cervical region
M46.83 Other specified inflammatory spondylopathies, cervicothoracic region
M46.84 Other specified inflammatory spondylopathies, thoracic region
M46.85 Other specified inflammatory spondylopathies, thoracolumbar region
M46.86 Other specified inflammatory spondylopathies, lumbar region
M46.87 Other specified inflammatory spondylopathies, lumbosacral region
M46.88 Other specified inflammatory spondylopathies, sacral and sacrococcygeal region
M46.89 Other specified inflammatory spondylopathies, multiple sites in spine
M46.9 Unspecified inflammatory spondylopathy
M46.90 Unspecified inflammatory spondylopathy, site unspecified
M46.91 Unspecified inflammatory spondylopathy, occipito-atlanto-axial region
M46.92 Unspecified inflammatory spondylopathy, cervical region
M46.93 Unspecified inflammatory spondylopathy, cervicothoracic region
M46.94 Unspecified inflammatory spondylopathy, thoracic region
M46.95 Unspecified inflammatory spondylopathy, thoracolumbar region
M46.96 Unspecified inflammatory spondylopathy, lumbar region
M46.97 Unspecified inflammatory spondylopathy, lumbosacral region
M46.98 Unspecified inflammatory spondylopathy, sacral and sacrococcygeal region
M46.99 Unspecified inflammatory spondylopathy, multiple sites in spine
M47 Spondylosis
Includes arthrosis or osteoarthritis of spine
degeneration of facet joints
M47.0 Anterior spinal and vertebral artery compression syndromes
M47.01 Anterior spinal artery compression syndromes
M47.011 Anterior spinal artery compression syndromes, occipito-atlanto-axial region
M47.012 Anterior spinal artery compression syndromes, cervical region
M47.013 Anterior spinal artery compression syndromes, cervicothoracic region
M47.014 Anterior spinal artery compression syndromes, thoracic region
M47.015 Anterior spinal artery compression syndromes, thoracolumbar region
M47.016 Anterior spinal artery compression syndromes, lumbar region
M47.019 Anterior spinal artery compression syndromes, site unspecified
M47.02 Vertebral artery compression syndromes
M47.021 Vertebral artery compression syndromes, occipito-atlanto-axial region
M47.022 Vertebral artery compression syndromes, cervical region
M47.029 Vertebral artery compression syndromes, site unspecified
M47.1 Other spondylosis with myelopathy
Spondylogenic compression of spinal cord
Excludes1 vertebral subluxation (M43.3-M43.5X9)
M47.10 Other spondylosis with myelopathy, site unspecified
M47.11 Other spondylosis with myelopathy, occipito-atlanto-axial region
M47.12 Other spondylosis with myelopathy, cervical region
M47.13 Other spondylosis with myelopathy, cervicothoracic region
M47.14 Other spondylosis with myelopathy, thoracic region
M47.15 Other spondylosis with myelopathy, thoracolumbar region
M47.16 Other spondylosis with myelopathy, lumbar region
M47.2 Other spondylosis with radiculopathy
M47.20 Other spondylosis with radiculopathy, site unspecified
M47.21 Other spondylosis with radiculopathy, occipito-atlanto-axial region
M47.22 Other spondylosis with radiculopathy, cervical region
M47.23 Other spondylosis with radiculopathy, cervicothoracic region
M47.24 Other spondylosis with radiculopathy, thoracic region
M47.25 Other spondylosis with radiculopathy, thoracolumbar region
M47.26 Other spondylosis with radiculopathy, lumbar region
M47.27 Other spondylosis with radiculopathy, lumbosacral region
M47.28 Other spondylosis with radiculopathy, sacral and sacrococcygeal region
M47.8 Other spondylosis
M47.81 Spondylosis without myelopathy or radiculopathy
M47.811 Spondylosis without myelopathy or radiculopathy, occipito-atlanto-axial region
M47.812 Spondylosis without myelopathy or radiculopathy, cervical region
M47.813 Spondylosis without myelopathy or radiculopathy, cervicothoracic region
M47.814 Spondylosis without myelopathy or radiculopathy, thoracic region
M47.815 Spondylosis without myelopathy or radiculopathy, thoracolumbar region
M47.816 Spondylosis without myelopathy or radiculopathy, lumbar region
M47.817 Spondylosis without myelopathy or radiculopathy, lumbosacral region
M47.818 Spondylosis without myelopathy or radiculopathy, sacral and sacrococcygeal region
M47.819 Spondylosis without myelopathy or radiculopathy, site unspecified
M47.89 Other spondylosis
M47.891 Other spondylosis, occipito-atlanto-axial region
M47.892 Other spondylosis, cervical region
M47.893 Other spondylosis, cervicothoracic region
M47.894 Other spondylosis, thoracic region
M47.895 Other spondylosis, thoracolumbar region
M47.896 Other spondylosis, lumbar region
M47.897 Other spondylosis, lumbosacral region
M47.898 Other spondylosis, sacral and sacrococcygeal region
M47.899 Other spondylosis, site unspecified
M47.9 Spondylosis, unspecified
M48 Other spondylopathies
M48.0 Spinal stenosis
Caudal stenosis
M48.00 Spinal stenosis, site unspecified
M48.01 Spinal stenosis, occipito-atlanto-axial region
M48.02 Spinal stenosis, cervical region
M48.03 Spinal stenosis, cervicothoracic region
M48.04 Spinal stenosis, thoracic region
M48.05 Spinal stenosis, thoracolumbar region
M48.06 Spinal stenosis, lumbar region
M48.061 Spinal stenosis, lumbar region without neurogenic claudication
Spinal stenosis, lumbar region NOS
M48.062 Spinal stenosis, lumbar region with neurogenic claudication
M48.07 Spinal stenosis, lumbosacral region
M48.08 Spinal stenosis, sacral and sacrococcygeal region
M48.1 Ankylosing hyperostosis [Forestier]
Diffuse idiopathic skeletal hyperostosis [DISH]
M48.10 Ankylosing hyperostosis [Forestier], site unspecified
M48.11 Ankylosing hyperostosis [Forestier], occipito-atlanto-axial region
M48.12 Ankylosing hyperostosis [Forestier], cervical region
M48.13 Ankylosing hyperostosis [Forestier], cervicothoracic region
M48.14 Ankylosing hyperostosis [Forestier], thoracic region
M48.15 Ankylosing hyperostosis [Forestier], thoracolumbar region
M48.16 Ankylosing hyperostosis [Forestier], lumbar region
M48.17 Ankylosing hyperostosis [Forestier], lumbosacral region
M48.18 Ankylosing hyperostosis [Forestier], sacral and sacrococcygeal region
M48.19 Ankylosing hyperostosis [Forestier], multiple sites in spine
M48.2 Kissing spine
M48.20 Kissing spine, site unspecified
M48.21 Kissing spine, occipito-atlanto-axial region
M48.22 Kissing spine, cervical region
M48.23 Kissing spine, cervicothoracic region
M48.24 Kissing spine, thoracic region
M48.25 Kissing spine, thoracolumbar region
M48.26 Kissing spine, lumbar region
M48.27 Kissing spine, lumbosacral region
M48.3 Traumatic spondylopathy
M48.30 Traumatic spondylopathy, site unspecified
M48.31 Traumatic spondylopathy, occipito-atlanto-axial region
M48.32 Traumatic spondylopathy, cervical region
M48.33 Traumatic spondylopathy, cervicothoracic region
M48.34 Traumatic spondylopathy, thoracic region
M48.35 Traumatic spondylopathy, thoracolumbar region
M48.36 Traumatic spondylopathy, lumbar region
M48.37 Traumatic spondylopathy, lumbosacral region
M48.38 Traumatic spondylopathy, sacral and sacrococcygeal region
M48.4 Fatigue fracture of vertebra
Stress fracture of vertebra
Excludes1 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-)
char7Note The appropriate 7th character is to be added to each code from subcategory M48.4:
char7Def 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
M48.40 Fatigue fracture of vertebra, site unspecified
M48.41 Fatigue fracture of vertebra, occipito-atlanto-axial region
M48.42 Fatigue fracture of vertebra, cervical region
M48.43 Fatigue fracture of vertebra, cervicothoracic region
M48.44 Fatigue fracture of vertebra, thoracic region
M48.45 Fatigue fracture of vertebra, thoracolumbar region
M48.46 Fatigue fracture of vertebra, lumbar region
M48.47 Fatigue fracture of vertebra, lumbosacral region
M48.48 Fatigue fracture of vertebra, sacral and sacrococcygeal region
M48.5 Collapsed vertebra, not elsewhere classified
Collapsed vertebra NOS
Compression fracture of vertebra NOS
Wedging of vertebra NOS
Excludes1 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.-)
char7Note The appropriate 7th character is to be added to each code from subcategory M48.5:
char7Def 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
M48.50 Collapsed vertebra, not elsewhere classified, site unspecified
M48.51 Collapsed vertebra, not elsewhere classified, occipito-atlanto-axial region
M48.52 Collapsed vertebra, not elsewhere classified, cervical region
M48.53 Collapsed vertebra, not elsewhere classified, cervicothoracic region
M48.54 Collapsed vertebra, not elsewhere classified, thoracic region
M48.55 Collapsed vertebra, not elsewhere classified, thoracolumbar region
M48.56 Collapsed vertebra, not elsewhere classified, lumbar region
M48.57 Collapsed vertebra, not elsewhere classified, lumbosacral region
M48.58 Collapsed vertebra, not elsewhere classified, sacral and sacrococcygeal region
M48.8 Other specified spondylopathies
Ossification of posterior longitudinal ligament
M48.8X Other specified spondylopathies
M48.8X1 Other specified spondylopathies, occipito-atlanto-axial region
M48.8X2 Other specified spondylopathies, cervical region
M48.8X3 Other specified spondylopathies, cervicothoracic region
M48.8X4 Other specified spondylopathies, thoracic region
M48.8X5 Other specified spondylopathies, thoracolumbar region
M48.8X6 Other specified spondylopathies, lumbar region
M48.8X7 Other specified spondylopathies, lumbosacral region
M48.8X8 Other specified spondylopathies, sacral and sacrococcygeal region
M48.8X9 Other specified spondylopathies, site unspecified
M48.9 Spondylopathy, unspecified
M49 Spondylopathies 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
CodeFirst underlying disease, such as:
brucellosis (A23.-)
Charcot-Marie-Tooth disease (G60.0)
enterobacterial infections (A01-A04)
osteitis fibrosa cystica (E21.0)
Excludes1 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)
M49.8 Spondylopathy in diseases classified elsewhere
M49.80 Spondylopathy in diseases classified elsewhere, site unspecified
nonPrimary Yes
M49.81 Spondylopathy in diseases classified elsewhere, occipito-atlanto-axial region
nonPrimary Yes
M49.82 Spondylopathy in diseases classified elsewhere, cervical region
nonPrimary Yes
M49.83 Spondylopathy in diseases classified elsewhere, cervicothoracic region
nonPrimary Yes
M49.84 Spondylopathy in diseases classified elsewhere, thoracic region
nonPrimary Yes
M49.85 Spondylopathy in diseases classified elsewhere, thoracolumbar region
nonPrimary Yes
M49.86 Spondylopathy in diseases classified elsewhere, lumbar region
nonPrimary Yes
M49.87 Spondylopathy in diseases classified elsewhere, lumbosacral region
nonPrimary Yes
M49.88 Spondylopathy in diseases classified elsewhere, sacral and sacrococcygeal region
nonPrimary Yes
M49.89 Spondylopathy in diseases classified elsewhere, multiple sites in spine
nonPrimary Yes