Home > 2011 ICD-9-CM Diagnosis Codes > Diseases Of The Musculoskeletal System And Connective Tissue 710-739 > Dorsopathies 720-724 > Spondylosis and allied disorders 721-
2011 ICD-9-CM Diagnosis Code 721.91
Spondylosis of unspecified site with myelopathy
- Short description: Spondylosis NOS w myelop.
- ICD-9-CM 721.91 is a billable medical code that can be used to specify a diagnosis on a reimbursement claim.
- You are viewing the 2011 version of ICD-9-CM 721.91.
- More recent version(s) of ICD-9-CM 721.91: 2012 2013.
721.91 Alternative Terminology
- Spondylosis w myelopathy
- Spondylosis with myelopathy
Applies To
- Spondylogenic compression of spinal cord NOS
Convert 721.91 to ICD-10-CM 
ICD-9-CM 721.91 converts approximately to:
- 2013 ICD-10-CM M47.10 Other spondylosis with myelopathy, site unspecified
ICD-9-CM Volume 2 Index entries containing back-references to 721.91:
- Arthritis, arthritic (acute) (chronic) (subacute) 716.9
degenerative (see also Osteoarthrosis) 715.9
spine 721.90
with myelopathy 721.91- atrophic 720.9
- degenerative 721.90
with myelopathy 721.91
- hypertrophic (with deformity) 721.90
- with myelopathy 721.91
- infectious or infective NEC 720.9
- Marie-Strümpell 720.0
- nonpyogenic 721.90
- with myelopathy 721.91
- pyogenic 720.9
- rheumatoid 720.0
- traumatic (old) 721.7
- tuberculous (see also Tuberculosis) 015.0 [720.81]
- Compression
- spinal (cord) (old or nontraumatic) 336.9
- by displacement of intervertebral disc - see Displacement, intervertebral disc
- nerve
- spondylogenic 721.91
- traumatic - see also Injury, spinal, by site
- with fracture, vertebra - see Fracture, vertebra, by site, with spinal cord injury
- Myelopathy (spinal cord) 336.9
- due to or with
- carbon tetrachloride 987.8 [323.72]
- degeneration or displacement, intervertebral disc 722.70
- hydroxyquinoline derivatives 961.3 [323.72]
- infection - see Encephalitis
- intervertebral disc disorder 722.70
- lead 984.9 [323.72]
- mercury 985.0 [323.72]
- neoplastic disease (see also Neoplasm, by site) 239.9 [336.3]
- pernicious anemia 281.0 [336.3]
- spondylosis 721.91
- thallium 985.8 [323.72]
- Spondylosis 721.90
ICD-9-CM codes are used in medical billing and coding to describe diseases, injuries, symptoms and conditions. ICD-9-CM 721.91 is one of thousands of ICD-9-CM codes used in healthcare. Although ICD-9-CM and CPT codes are largely numeric, they differ in that CPT codes describe medical procedures and services. Can't find a code? Start at the root of ICD-9-CM, check the 2011 ICD-9-CM Index or use the search engine at the top of this page to lookup any code.
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