Back Pain (Lumbar and Low Back):
    Back Disorders:
        Ankylosing spondylitis and other inflammatory spondylopathies:  720*
        Spondylosis and allied disorders:  721.2-721.9
        Other and unspecified disorders of back:  724
    Disk Disorders:
        Displacement of intervetebral disc:  722.10, 722.11
        Schmorl's nodes:  722.30-722.39
        Degeneration of intervetebral disc:  722.51, 722.52, 722.60
        Intervertebral disc disorder with myelopathy:  722.72, 722.73
        Postlaminectomy syndrome:  722.80, 722.82, 722.83
        Other and unspecified disc disorder:  722.90, 722.92, 722.93
    Back Injury:
        Closed fracture of vertebra without mention of spinal cord injury:  805.20-805.80
        Closed fracture of vertebra with spinal cord injury:  806.20-806.90
        Closed dislocation, vertebra:  839.20-839.49
        Sprains and strains of sacroiliac region:  846
        Other sprains and strains of back:  847.10-749.90

Cervical (Neck) Pain:                
    Neck Disorders:
        Cervical spondylosis:  721.00, 721.11
        Disorders of cervical region:  723.00-723.90
    Disk Disorders:
        Displacement of cervical intervertebral disc:  722.00
        Degeneration of cervical intervertebral disc:  722.40
        Intervertebral disc disorder, with myelopathy:  722.71
        Postlaminectomy syndrome of cervical region:  722.81
        Other and unspecified disc disorders of cervical region:  722.91
    Neck Injury:
        Closed fracture of cervical vertebra without mention of spinal cord injury:  805
        Closed fracture of cervical vertebra with spinal cord injury:  806
        Closed dislocation, cervical vertebra:  839
        Neck sprain:  847.00

Spine Procedures (ICD-9-CM Procedures Code)
        Cervical fusion:  81.02, 81.03
        Thoracic fusion:  81.04, 81.05
        Lumbar fusion:  81.06-81.08
        Other fusion:  81.00, 81.01
        Fusion/refusion multiple vertebrae:  81.62-81.64
        Spine refusion:  81.30-81.39
        Spinal decompression:  03.09
        Spinal diskectomy:  80.50, 80.51