Specific code 2014 ICD-9-CM Diagnosis Code 334.9
Spinocerebellar disease, unspecified
  • Billable Code
  • Short description: Spinocerebellar dis NOS.
  • ICD-9-CM 334.9 will be replaced by an equivalent ICD-10-CM code (or codes) when the United States transitions from ICD-9-CM to ICD-10-CM on October 1, 2015.
  • ICD-9-CM 334.9 is a billable medical code that can be used to specify a diagnosis on a reimbursement claim.
Disease Synonyms
  • Cerebellar paraneoplastic degeneration
  • Paraneoplastic cerebellar degeneration (disorder)
  • Spinocerebellar disease
Clinical Information
  • A heterogenous group of degenerative syndromes marked by progressive cerebellar dysfunction either in isolation or combined with other neurologic manifestations. Sporadic and inherited subtypes occur. Inheritance patterns include autosomal dominant, autosomal recessive, and x-linked.
Convert to ICD-10-CM: 334.9 converts approximately to:
  • 2014 ICD-10-CM G11.9 Hereditary ataxia, unspecified
ICD-9-CM Volume 2 Index entries containing back-references to 334.9:
  • Degeneration, degenerative
    • cerebellar NEC 334.9
      • primary (hereditary) (sporadic) 334.2
  • Disease, diseased - see also Syndrome
    • locomotor system 334.9
    • spinocerebellar 334.9
  • Paralysis, paralytic (complete) (incomplete) 344.9
    • ataxic NEC 334.9
    • superior nuclear NEC 334.9
ICD-9-CM codes are used in medical billing and coding to describe diseases, injuries, symptoms and conditions. ICD-9-CM 334.9 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 2014 ICD-9-CM Index or use the search engine at the top of this page to lookup any code.