HEREDITARY AND DEGENERATIVE DISEASES OF THE CENTRAL NERVOUS SYSTEM (330-337)
Excludes:
hepatolenticular degeneration (275.1)
multiple sclerosis (340)
other demyelinating diseases of central nervous system (341.0-341.9)
336 Other diseases of spinal cord
336.0: Syringomyelia and syringobulbia
336.1: Vascular myelopathies
Acute infarction of spinal cord (embolic) (nonembolic)
Arterial thrombosis of spinal cord
Edema of spinal cord
Hematomyelia
Subacute necrotic myelopathy
336.2: Subacute combined degeneration of spinal cord in diseases classified elsewhere
Code first underlying disease, as:
pernicious anemia (281.0)
other vitamin B12 deficiency anemia (281.1)
vitamin B12 deficiency (266.2)
336.3: Myelopathy in other diseases classified elsewhere
Code first underlying disease, as:
myelopathy in neoplastic disease (140.0-239.9)
Excludes:
myelopathy in:
intervertebral disc disorder (722.70-722.73)
spondylosis (721.1, 721.41-721.42, 721.91)
336.8: Other myelopathy
Myelopathy:
drug-induced
radiation-induced
Use additional E code to identify cause
336.9: Unspecified disease of spinal cord
Cord compression NOS
Myelopathy NOS
Excludes:
myelitis (323.02, 323.1, 323.2, 323.42, 323.52, 323.63, 323.72, 323.82, 323.9)
spinal (canal) stenosis (723.0, 724.00-724.09)
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