M00–M99
Diseases of the Musculoskeletal System and Connective Tissue
Arthritis, osteoporosis, back pain, gout
M43.11
Spondylolisthesis, occipito-atlanto-axial region
Billable
M43.12
Spondylolisthesis, cervical region
Billable
M43.13
Spondylolisthesis, cervicothoracic region
Billable
M43.14
Spondylolisthesis, thoracic region
Billable
M43.15
Spondylolisthesis, thoracolumbar region
Billable
M43.16
Spondylolisthesis, lumbar region
Billable
M43.17
Spondylolisthesis, lumbosacral region
Billable
M43.18
Spondylolisthesis, sacral and sacrococcygeal region
Billable
M43.19
Spondylolisthesis, multiple sites in spine
Billable
M43.2
Fusion of spine
Non-billable
M43.20
Fusion of spine, site unspecified
Billable
M43.21
Fusion of spine, occipito-atlanto-axial region
Billable
M43.22
Fusion of spine, cervical region
Billable
M43.23
Fusion of spine, cervicothoracic region
Billable
M43.24
Fusion of spine, thoracic region
Billable
M43.25
Fusion of spine, thoracolumbar region
Billable
M43.26
Fusion of spine, lumbar region
Billable
M43.27
Fusion of spine, lumbosacral region
Billable
M43.28
Fusion of spine, sacral and sacrococcygeal region
Billable
M43.3
Recurrent atlantoaxial dislocation with myelopathy
Billable
M43.4
Other recurrent atlantoaxial dislocation
Billable
M43.5
Other recurrent vertebral dislocation
Non-billable
M43.5X
Other recurrent vertebral dislocation
Non-billable
M43.5X2
Other recurrent vertebral dislocation, cervical region
Billable
M43.5X3
Other recurrent vertebral dislocation, cervicothoracic region
Billable
M43.5X4
Other recurrent vertebral dislocation, thoracic region
Billable
M43.5X5
Other recurrent vertebral dislocation, thoracolumbar region
Billable
M43.5X6
Other recurrent vertebral dislocation, lumbar region
Billable
M43.5X7
Other recurrent vertebral dislocation, lumbosacral region
Billable
M43.5X8
Other recurrent vertebral dislocation, sacral and sacrococcygeal region
Billable
M43.5X9
Other recurrent vertebral dislocation, site unspecified
Billable
M43.6
Torticollis
Billable
M43.8
Other specified deforming dorsopathies
Non-billable
M43.8X
Other specified deforming dorsopathies
Non-billable
M43.8X1
Other specified deforming dorsopathies, occipito-atlanto-axial region
Billable
M43.8X2
Other specified deforming dorsopathies, cervical region
Billable
M43.8X3
Other specified deforming dorsopathies, cervicothoracic region
Billable
M43.8X4
Other specified deforming dorsopathies, thoracic region
Billable
M43.8X5
Other specified deforming dorsopathies, thoracolumbar region
Billable
M43.8X6
Other specified deforming dorsopathies, lumbar region
Billable
M43.8X7
Other specified deforming dorsopathies, lumbosacral region
Billable
M43.8X8
Other specified deforming dorsopathies, sacral and sacrococcygeal region
Billable
M43.8X9
Other specified deforming dorsopathies, site unspecified
Billable
M43.9
Deforming dorsopathy, unspecified
Billable
M45
Ankylosing spondylitis
Non-billable
M45.0
Ankylosing spondylitis of multiple sites in spine
Billable
M45.1
Ankylosing spondylitis of occipito-atlanto-axial region
Billable
M45.2
Ankylosing spondylitis of cervical region
Billable
M45.3
Ankylosing spondylitis of cervicothoracic region
Billable
M45.4
Ankylosing spondylitis of thoracic region
Billable
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