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  6. 2025 ICD-10-CM Code G36

2025 ICD-10-CM Diagnosis Code G36

Other acute disseminated demyelination

ICD-10-CM Code:
G36
ICD-10 Code for:
Other acute disseminated demyelination
Is Billable?
Not Valid for Submission
Code Navigator:

G36 is a non-specific and non-billable diagnosis code code, consider using a code with a higher level of specificity for a diagnosis of other acute disseminated demyelination. The code is not specific and is NOT valid for the year 2025 for the submission of HIPAA-covered transactions. Category or Header define the heading of a category of codes that may be further subdivided by the use of 4th, 5th, 6th or 7th characters.

Specific Coding Applicable to Other acute disseminated demyelination

Non-specific codes like G36 require more digits to indicate the appropriate level of specificity. Consider using any of the following ICD-10-CM codes with a higher level of specificity when coding for other acute disseminated demyelination:

  • Use G36.0 for Neuromyelitis optica [Devic] - BILLABLE CODE

  • Use G36.1 for Acute and subacute hemorrhagic leukoencephalitis [Hurst] - BILLABLE CODE

  • Use G36.8 for Other specified acute disseminated demyelination - BILLABLE CODE

  • Use G36.9 for Acute disseminated demyelination, unspecified - BILLABLE CODE

Code Classification

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

Tabular List of Diseases and Injuries

The following annotation back-references are applicable to this diagnosis code. The Tabular List of Diseases and Injuries is a list of ICD-10-CM codes, organized "head to toe" into chapters and sections with coding notes and guidance for inclusions, exclusions, descriptions and more.


Type 1 Excludes

Type 1 Excludes
A type 1 excludes note is a pure excludes note. It means "NOT CODED HERE!" An Excludes1 note indicates that the code excluded should never be used at the same time as the code above the Excludes1 note. An Excludes1 is used when two conditions cannot occur together, such as a congenital form versus an acquired form of the same condition.
  • postinfectious encephalitis and encephalomyelitis NOS G04.01

Patient Education


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

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[Learn More in MedlinePlus]

Code History

  • FY 2024 - No Change, effective from 10/1/2023 through 9/30/2024
  • FY 2023 - No Change, effective from 10/1/2022 through 9/30/2023
  • FY 2022 - No Change, effective from 10/1/2021 through 9/30/2022
  • FY 2021 - No Change, effective from 10/1/2020 through 9/30/2021
  • FY 2020 - No Change, effective from 10/1/2019 through 9/30/2020
  • FY 2019 - No Change, effective from 10/1/2018 through 9/30/2019
  • FY 2018 - No Change, effective from 10/1/2017 through 9/30/2018
  • FY 2017 - No Change, effective from 10/1/2016 through 9/30/2017
  • FY 2016 - New Code, effective from 10/1/2015 through 9/30/2016. This was the first year ICD-10-CM was implemented into the HIPAA code set.