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G36.8

Billable

Other specified acute disseminated demyelination

HCC Category Mapping

V28HCC 198Multiple Sclerosis
0.000
V24HCC 77Multiple Sclerosis
0.476
ESRDHCC 77Multiple Sclerosis
0.000

What This Code Means

Other rare forms of sudden-onset inflammation affecting multiple areas of the brain and spinal cord, causing demyelination and neurological symptoms.

Coding Tips

  • Use this code only after excluding G36.0 and G36.1; document the specific type of acute disseminated demyelination
  • Provide clinical details about affected CNS regions and acute presentation timeline

Clinical Significance

Other specified acute disseminated demyelination captures rare forms of sudden-onset central nervous system demyelination that do not fit other G36 categories. These conditions cause acute neurological dysfunction and require urgent diagnostic evaluation and treatment. Accurate coding ensures proper recognition of these complex neurological emergencies for risk adjustment.

Documentation Requirements

  • Documentation specifying the type of acute disseminated demyelination
  • Neuroimaging (MRI) showing acute demyelinating lesions in multiple CNS areas
  • Documentation of acute onset timeline (days to weeks)
  • Evidence that NMO (G36.0) and hemorrhagic leukoencephalitis (G36.1) have been excluded
  • Treatment documentation (corticosteroids, plasma exchange, or IVIG)
  • Follow-up plan to determine if condition is monophasic or relapsing

Commonly Confused Codes

Code Hierarchy

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