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. Author manuscript; available in PMC: 2017 Sep 13.
Published in final edited form as: Spine (Phila Pa 1976). 2012 May 1;37(10):860–874. doi: 10.1097/BRS.0b013e3182376508

Table 2.

Count of unique patients with back pain: sequential addition of patients by reference

ICD-9 # Back Pain
2009 ICD-9 Code Descriptions
Cherkin & Deyo ‘92 HCUP Back HCUP Sprains & Strains Martin08 Back
720.1 Spinal enthesopathy 271
720.2 Sacroilitis, not elsewhere classified 4,524
721.2 Thoracic spondylosis without myelopathy 10,702
721.3 Lumbosacral spondylosis w/o myelopathy 62,062
721.4 Thoracic or lumbar spondylosis with myelopathy
721.41 Thoracic spondylosis with myelopathy 470
721.42 Lumbar spondylosis w/o myelopathy 1,597
722.10 Displacement of lumbar inter-vertebral disc w/o myelopathy 16,616
722.1 Displacement of thoracic or lumbar inter-vertebral disc w/o myelopathy
722.11 Displacement thoracic intervertebral disc without myelopathy 702
722.31 Schmorl’s nodes-thoracic region 71
722.32 Schmorl’s nodes lumbar region 161
722.5 Degeneration of thoracic or lumbar intervertebral disc
722.51 Degeneration of thoracic or thoracolumbar intervertebral disc 4,930
722.52 Degeneration of lumbar or lumbosacral intervertebral disc 84,079
722.72 Intervertebral disc disorder with myelopathy-thoracic region 215
722.73 Intervertebral disc disorder with myelopathy, lumbar region 1,837
722.82 Postlaminectomy syndrome-thoracic region 85
722.83 Postlaminectomy syndrome lumbar region 2,881
722.92 Other and unspecified disc disorder-thoracic region 941
722.93 Other and unspecified disc disorder, lumbar region 7,040
724.00 Spinal stenosis - unspecified region 26,837
724.0 Spinal stenosis, other than cervical
724.01 Spinal stenosis, other than cervical-thoracic region 621
724.02 Spinal stenosis, other than cervical-lumbar region 36,867
724.09 Spinal stenosis, other than cervical-other 1,674
724.1 Pain in thoracic spine 13,312
724.2 Lumbago 1,227,654
724.3 Sciatica 74,352
724.4 Thoracic or lumbosacral neuritis or radiculitis, unspecified 51,918
724.5 Backache, unspecified 504,854
724.6 Disorders of sacrum 2,862
724.70 Unspecified disorder of coccyx 446
724.7 Disorders of the coccyx
724.71 Hypermobility of coccyx 20
724.79 Disorders of coccyx-other 4,062
724.8 Other symptoms referable to back 8,741
724.9 Other unspecified back disorders 30,226
737.0 Adolescent postural kyphosis 28
737.10 Kyphosis (acquired)(postural) 7,684
737.1 Kyphosis acquired
737.11 Kyphosis due to radiation 15
737.2 Lordosis (acquired)
737.20 Lordosis (acquired)(postural) 586
737.21 Lordosis, postlaminestomy 5
737.22 Other post surgical lordosis 4
737.29 Lordosis acquired other 97
737.34 Thoracogenic scoliosis 679
737.41 Curvature of the spine associated with other conditions, kyphosis 273
737.42 Curvature of the spine associated with other conditions, Lordosis 26
738.4 Acquired spondylolisthesis 2,526
739.2 Nonallopathic lesions, thoracic region
739.3 Nonallopathic lesions, lumbar region 1,573
739.4 Nonallopathic lesions, sacral region 828
756.11 Spondylolysis, lumbosacral region 1,535
805.2 Thoracic fracture, closed, without mention of spinal cord injury 2,499
805.3 Thoracic fracture, open, without mention of spinal cord injury 23
805.4 Lumbar fracture, closed, without mention of spinal cord injury 4,157
805.5 Lumbar fracture, open, without mention of spinal cord injury 42
805.6 Sacrum and coccyx fracture, closed, without mention of spinal cord injury 516
805.7 Sacrum and coccyx fracture, open, without mention of spinal cord injury 17
806.2 Thoracic fracture, closed with spinal cord injury
806.3 Thoracic fracture, open with spinal cord injury
806.4 Lumbar fracture, closed with spinal cord injury 413
806.5 Lumbar fracture, open with spinal cord injury 39
806.6 Sacrum and coccyx fracture, closed with spinal cord injury
806.7 Sacrum and coccyx fracture, open with spinal cord injury
839.2–839.21 Other, multiple, and ill-defined vertebral dislocations, thoracic and lumbar vertebra, closed 83
839.3–839.31 Other, multiple, and ill-defined vertebral dislocations, thoracic and lumbar vertebra, open 2
846.0 Sprains and strains of the lumbosacral (joint) (ligament) 6,317
846 Sprains and strains of sacroiliac region
846.1 Sacroiliac ligament 724
846.2 Sacrospinatus (ligament) 15
846.3 Sacrotuberous (ligament) 6
846.8 Other specified sites of sacroiliac region 135
846.9 Unspecified site of sacroiliac region 2,648
847.1 Sprains and strains of other and unspecified parts of back-thoracic 3,704
847.2 Sprains and strains of other and unspecified parts of back-lumbar 22,377
847.3 Sprains and strains of other and unspecified parts of back-sacrum 253
847.4 Sprains and strains of other and unspecified parts of back-coccyx 534
Unique Individuals 2,129,984 33,495 3,537 3,750