Home > 2009 ICD-9-CM Diagnosis Codes > Diseases Of The Nervous System And Sense Organs 320-389 > Other Disorders Of The Central Nervous System 340-349 > Other and unspecified disorders of the nervous system 349-
Specific code 2009 ICD-9-CM Diagnosis Code 349.9
Unspecified disorders of nervous system
  • Short description: CNS DISORDER NOS.
  • ICD-9-CM 349.9 is a billable medical code that can be used to indicate a diagnosis on a reimbursement claim, however, 349.9 should only be used for claims with a date of service on or before September 30, 2015. For claims with a date of service on or after October 1, 2015, use an equivalent ICD-10-CM code (or codes).
  • You are viewing the 2009 version of ICD-9-CM 349.9.
  • More recent version(s) of ICD-9-CM 349.9: 2010 2011 2012 2013 2014 2015.
Convert to ICD-10-CM: 349.9 converts approximately to:
  • 2015/16 ICD-10-CM G96.9 Disorder of central nervous system, unspecified
Approximate Synonyms
  • Arthropathy associated with a neurological disorder
  • Arthropathy associated with neurological disorder
  • Central nervous system (CNS) disease
  • Charcots joint
  • CNS disease
  • Disorder of the central nervous system
  • Neuropathy, associated w arthropathy
Applies To
  • Disorder of nervous system (central) NOS
ICD-9-CM Volume 2 Index entries containing back-references to 349.9:
  • Deficiency, deficient
    • central nervous system 349.9
  • Disease, diseased - see also Syndrome
    • cerebrospinal 349.9
    • nervous system (central) 349.9
      • autonomic, peripheral (see also Neuropathy, peripheral, autonomic) 337.9
      • congenital 742.9
      • inflammatory - see Encephalitis
      • parasympathetic (see also Neuropathy, peripheral, autonomic) 337.9
      • peripheral NEC 355.9
      • prion NEC 046.79
      • specified NEC 349.89
      • sympathetic (see also Neuropathy, peripheral, autonomic) 337.9
      • vegetative (see also Neuropathy, peripheral, autonomic) 337.9
    • neurologic (central) NEC (see also Disease, nervous system) 349.9
  • Disorder - see also Disease
    • nervous system NEC 349.9
      • autonomic (peripheral) (see also Neuropathy, peripheral, autonomic) 337.9
      • cranial 352.9
      • parasympathetic (see also Neuropathy, peripheral, autonomic) 337.9
      • specified type NEC 349.89
      • sympathetic (see also Neuropathy, peripheral, autonomic) 337.9
      • vegetative (see also Neuropathy, peripheral, autonomic) 337.9
  • Disturbance - see also Disease
    • central nervous system NEC 349.9
  • Encephalomeningopathy (see also Meningoencephalitis) 349.9
  • Encephalomyeloneuropathy 349.9
  • Encephalomyelopathy 349.9
    • subacute necrotizing (infantile) 330.8
  • Encephalomyeloradiculopathy 349.9
  • Lesion(s)
    • nervous system 349.9
  • Meningoencephalomyelopathy (see also Meningoencephalomyelitis) 349.9
 349.89 ICD9Data.com 350 
ICD-9-CM codes are used in medical billing and coding to describe diseases, injuries, symptoms and conditions. ICD-9-CM 349.9 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 2009 ICD-9-CM Index or use the search engine at the top of this page to lookup any code.
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