Category	Description
Dorsopathies–spondylosis and allied disorders
721.0	Cervical spondylosis without myelopathy
721.1	Cervical spondylosis with myelopathy
721.2	Thoracic spondylosis without myelopathy
721.3	Lumbosacral spondylosis without myelopathy
721.4	Thoracic or lumbar spondylosis with myelopathy
721.5	Kissing spine; Baastrup’s syndrome
721.6	Ankylosing vertebral hyperostosis
721.7	Traumatic spondylopathy; Kümmell’s disease or spondylitis
721.8	Other allied disorders of spine
721.9	Spondylosis of unspecified site
Dorsopathies – intervertebral disc disorders
722.1	Displacement of thoracic or lumbar intervertebral disc without myelopathy
722.2	Displacement of intervertebral disc, site unspecified, without myelopathy
722.4	Degeneration of cervical intervertebral disc
722.5	Degeneration of thoracic or lumbar intervertebral disc
722.6	Degeneration of intervertebral disc, site unspecified
722.7	Intervertebral disc disorder with myelopathy
722.8	Postlaminectomy syndrome
722.9	Other and unspecified disc disorder; Calcification of intervertebral cartilage or disc Discitis
Dorsopathies – other disorder of cervical region
723.0	Spinal stenosis of cervical region
723.1	Cervicalgia
723.2	Cervicocranial syndrome
723.3	Cervicobrachial syndrom (diffuse)
723.4	Brachia neuritis or radiculitis NOS
Dorsopathies – other and unspecified disorders of back
724	Other and unspecified disorders of back
Osteopathies, chondropathies, and acquired musculoskeletal deformities
738.2	Acquired deformity of neck
738.4	Acquired spondylolisthesis
738.5	Other acquired deformity of back or spine
Osteopathies, chondropathies, and acquired musculoskeletal deformities, nonspecific – nonallopathic lesions not elsewhere classified
739.1	Cervical region
739.2	Thoracic region
739.3	Lumbar region
739.4	Sacral region
Dislocation – other, multiple, and ill-defined dislocations
839.0	Cervical vertebra, closed
839.1	Cervical vertebra, open
839.2	Thoracic and lumbar vertebra, closed
839.3	Thoracic and lumbar vertebra, open
839.4	Other vertebra, closed
Sprains and strains of joints and adjacent muscles – sacroiliac region
846	Sprains and strains of sacroiliac region
Sprains and strains of joints and adjacent muscles – other and unspecified parts of back
847.0	Neck
847.1	Thoracic
847.2	Lumbar
847.3	Sacrum
847.4	Coccyx
847.9	Unspecified site of back