ICD-10 Diagnosis Code G99.8

Oth disrd of nervous system in diseases classified elsewhere

Diagnosis Code G99.8

ICD-10: G99.8
Short Description: Oth disrd of nervous system in diseases classified elsewhere
Long Description: Other specified disorders of nervous system in diseases classified elsewhere
This is the 2017 version of the ICD-10-CM diagnosis code G99.8

Valid for Submission
The code G99.8 is valid for submission for HIPAA-covered transactions.

Code Classification
  • Diseases of the nervous system (G00–G99)
    • Other disorders of the nervous system (G89-G99)
      • Oth disorders of nervous system in diseases classd elswhr (G99)

Information for Medical Professionals


Code Edits
The following edits are applicable to this code:
Manifestation diagnoses Additional informationCallout TooltipManifestation diagnoses
Manifestation codes describe the manifestation of an underlying disease, not the disease itself, and therefore should not be used as a principal diagnosis.


Convert to ICD-9 Additional informationCallout TooltipGeneral Equivalence Map
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.

Synonyms
  • Chastek paralysis
  • Encephalomalacia
  • Peripheral neuropathy due to metabolic disorder

Index of Diseases and Injuries
References found for the code G99.8 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 (Medical Encyclopedia)
  • EEG (Medical Encyclopedia)


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