ICD-9 Diagnosis Code 349.89

Cns disorder NEC

Diagnosis Code 349.89

ICD-9: 349.89
Short Description: Cns disorder NEC
Long Description: Other specified disorders of nervous system
This is the 2014 version of the ICD-9-CM diagnosis code 349.89

Code Classification
  • Diseases of the nervous system (320–359)
    • Other disorders of the central nervous system (340-349)
      • 349 Other and unspecified disorders of the nervous system

Information for Medical Professionals

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The ICD-10 and ICD-9 GEMs are used to facilitate linking between the diagnosis codes in ICD-9-CM and the new ICD-10-CM code set. The GEMs are the raw material from which providers, health information vendors and payers can derive specific applied mappings to meet their needs.

  • Abnormal axonal conduction
  • Abscess of nervous system
  • Absence of cerebrospinal fluid formation
  • Absence of receptor sites
  • Ballism
  • Bilateral upper motor neurone lesion
  • Bruns' syndrome
  • Central nervous system depression
  • Cerebral akinetopsia
  • Cerebrospinal angiopathy
  • Cerebrospinal fluid circulation disorder
  • Cerebrospinal fluid leak from mouth
  • Congenital degeneration of nervous system
  • Cord sign
  • Corpus callosum syndrome
  • Cysticercosis of central nervous system
  • Decrease in receptor sites
  • Decreased intracranial pressure adaptive capacity
  • Degenerative disease of the central nervous system
  • Degenerative disorder of head
  • Disorder primarily affecting the motor pathways
  • Disorders of cerebrospinal fluid and intracranial pressure
  • Dural ossification
  • Dying back phenomenon
  • Embolic infarction of nerve trunk
  • Escherichia coli infection of the central nervous system
  • Facial hemiatrophy
  • Finding of delayed reaction time
  • Giant axonal neuropathy
  • Hereditary degenerative disease of central nervous system
  • Increase in receptor sites
  • Infectious disease of central nervous system
  • Infectious disease of nervous system
  • Infective ventriculitis, brain
  • Intracranial hypotension
  • Loss of hypothalamic inhibition
  • Mass reflex present
  • On - off phenomenon
  • Paroxysmal extreme pain disorder
  • Progressive neuronal degeneration of childhood
  • Progressive neuronal degeneration without liver cirrhosis
  • Progressive subcortical gliosis
  • Receptor site alteration
  • Reinnervation
  • Romberg test evokes stiff fall backward
  • Romberg test positive and direction of fall affected by head turn
  • Space-occupying lesion of nervous system
  • Surface receptor redistribution
  • Tropical ataxic neuropathy
  • White shaker dog syndrome

Index of Diseases and Injuries
References found for the code 349.89 in the Index of Diseases and Injuries:

Information for Patients

Neurologic Diseases

Also called: Nervous system diseases

The brain, spinal cord, and nerves make up the nervous system. Together they control all the workings of the body. When something goes wrong with a part of your nervous system, you can have trouble moving, speaking, swallowing, breathing, or learning. You can also have problems with your memory, senses, or mood.

There are more than 600 neurologic diseases. Major types include

  • Diseases caused by faulty genes, such as Huntington's disease and muscular dystrophy
  • Problems with the way the nervous system develops, such as spina bifida
  • Degenerative diseases, where nerve cells are damaged or die, such as Parkinson's disease and Alzheimer's disease
  • Diseases of the blood vessels that supply the brain, such as stroke
  • Injuries to the spinal cord and brain
  • Seizure disorders, such as epilepsy
  • Cancer, such as brain tumors
  • infections, such as meningitis

  • Cerebral spinal fluid (CSF) collection
  • EEG

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