Table 3.

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

ICD-9 #	Neck Pain 2009 ICD-9 Code Descriptions	Einst93	Angevine ‘03	HCUP Back	HCUP Sprains & Strains	Martin08
721.0	Cervical spondylosis without myelopathy	51,201
721.1	Cervical spondylosis with myelopathy	8,898
722.0	Displacement of cervical intervertebral disc without myelopathy	8,129
722.4	Degeneration of cervical intervertebral disc	36,439
722.71	Intervertebral disc disorder with myelopathy-cervical region	2,921
722.81	Postlaminectomy syndrome-cervical region	737
722.91	Other and unspecified disc disorder-cervical region	4,592
723.0	Spinal stenosis of cervical region	15,940
723	Other disorders of the cervical region
723.1	Cervicalgia	305,163
723.2	Cervico-cranial syndrome	197
723.3	Cervicobrachial syndrome (diffuse)	1,239
723.4	Brachial neuritis or radiculitis	49,032
723.5	Torticollis, unspecified	5,078
723.6	Panniculitis specified as affecting neck			29
723.7	Ossification of posterior longitudinal ligament in cervical region	59
723.8	Other syndromes affecting cervical region	5,422
723.9	Unspecified musculoskeletal disorders and symptoms referable to neck	2,952
738.2	Acquired deformity of the neck
739.1	Non allopathic lesions cervical	1,550
805.0	Closed cervical vertebral fractures without mention of spinal cord injury
805.1	Cervical fracture, open, without mention of spinal cord injury
806.0 – 806.09	Cervical fracture, closed with spinal cord injury					57
806.1–806.19	Cervical fracture, open with spinal cord injury					2
839.0–839.08	Multiple ill defined dislocations of the cervical vertebra, closed					80
839.1–839.18	Multiple ill defined dislocations of the cervical vertebra, open					2
847.0	Sprains and strains of other and unspecified parts of back-neck	18,993
	Unique Individuals	503,694		27		36