Association between chiropractic care and use of prescription opioids among older medicare beneficiaries with spinal pain: a retrospective observational study

Table 2 Frequency of diagnoses, by category

Description	ICD-9 Code	Frequency
Diagnostic Category 1
Segmental and Somatic Dysfunction of Lumbar Region	7393	1,122,329
Segmental and Somatic Dysfunction of Cervical Region	7391	862,020
Segmental and Somatic Dysfunction of Thoracic Region	7392	308,601
Segmental and Somatic Dysfunction of Sacral Region	7394	205,350
Segmental and Somatic Dysfunction of Pelvic Region	7395	105,049
Low back pain	7242	56,844
Cervicalgia	7231	42,950
Pain in Thoracic Spine	7241	15,148
Segmental and Somatic Dysfunction of Head Region	7390	17,585
Myositis	7291	6629
Disorders of Sacrum	7246	5108
Diagnostic Category 2
Disc Degeneration, Lumbar	72,252	19,908
Radiculopathy	7244	18,229
Sciatica	7243	16,540
Disc Degeneration, Cervical	7224	12,967
Sprain, Lumbar	8472	9799
Radiculitis, Cervical	7234	9709
Other Intervertebral Disc Displacement, Lumbar	72,210	9434
Sprain/whiplash, Cervical	8470	8620
Cervicobrachial Syndrome	7233	8315

The table displays frequencies of the 20 most common diagnoses. Spine pain diagnoses were categorized as 1, 2, or 3 to broadly indicate progressively higher risk of poor outcomes. Category 3 diagnoses were uncommon. Only 2013 data are displayed; frequencies in other data years were similar

ISSN: 2045-709X