ICD-10-CM Code G36.9

Acute disseminated demyelination, unspecified

Version 2021 Billable Code

Valid for Submission

G36.9 is a billable code used to specify a medical diagnosis of acute disseminated demyelination, unspecified. The code is valid for the fiscal year 2021 for the submission of HIPAA-covered transactions.

ICD-10:G36.9
Short Description:Acute disseminated demyelination, unspecified
Long Description:Acute disseminated demyelination, unspecified

Index to Diseases and Injuries

The Index to Diseases and Injuries is an alphabetical listing of medical terms, with each term mapped to one or more ICD-10 code(s). The following references for the code G36.9 are found in the index:


Convert G36.9 to ICD-9

  • 341.9 - Cns demyelination NOS (Approximate Flag)

Code Classification

  • Diseases of the nervous system (G00–G99)
    • Demyelinating diseases of the central nervous system (G35-G37)
      • Other acute disseminated demyelination (G36)

Code History

  • FY 2016 - New Code, effective from 10/1/2015 through 9/30/2016
    (First year ICD-10-CM implemented into the HIPAA code set)
  • FY 2017 - No Change, effective from 10/1/2016 through 9/30/2017
  • FY 2018 - No Change, effective from 10/1/2017 through 9/30/2018
  • FY 2019 - No Change, effective from 10/1/2018 through 9/30/2019
  • FY 2020 - No Change, effective from 10/1/2019 through 9/30/2020
  • FY 2021 - No Change, effective from 10/1/2020 through 9/30/2021

Information for Patients


Degenerative Nerve Diseases

Also called: Neurodegenerative diseases

Degenerative nerve diseases affect many of your body's activities, such as balance, movement, talking, breathing, and heart function. Many of these diseases are genetic. Sometimes the cause is a medical condition such as alcoholism, a tumor, or a stroke. Other causes may include toxins, chemicals, and viruses. Sometimes the cause is not known.

Degenerative nerve diseases include

  • Alzheimer's disease
  • Amyotrophic lateral sclerosis
  • Friedreich's ataxia
  • Huntington's disease
  • Lewy body disease
  • Parkinson's disease
  • Spinal muscular atrophy

Degenerative nerve diseases can be serious or life-threatening. It depends on the type. Most of them have no cure. Treatments may help improve symptoms, relieve pain, and increase mobility.

  • Multiple system atrophy (Medical Encyclopedia)
  • Progressive multifocal leukoencephalopathy (Medical Encyclopedia)

[Learn More]