DxCodebookFY2027 · Oct 1, 2026 – Sep 30, 2027

Category · FY2027

G36 Other acute disseminated demyelination

  • Header · not billable

G36 is not billable. The category heads 4 billable codes in FY2027: the 4 codes directly below it.

Index → code

Where it sits

  1. Chapter 6 Diseases of the nervous system (G00-G99)
  2. G35-G37 Demyelinating diseases of the central nervous system (G35-G37)
  3. G36 Other acute disseminated demyelination
Billable codes
4
Subdivisions
4
CC / MCC codes
4 / 0
HCC V28 codes
4
New FY2027
0
Index entries
14

Codes in G36

  1. G36.0
    Neuromyelitis optica [Devic]
    BillableCC198
    Inclusion terms 1, Excludes2 1

    Inclusion terms

    • Demyelination in optic neuritis

    Excludes2

    • optic neuritis NOS (H46) H46
  2. G36.1
    Acute and subacute hemorrhagic leukoencephalitis [Hurst]
    BillableCC198
  3. G36.8
    Other specified acute disseminated demyelination
    BillableCC198
  4. G36.9
    Acute disseminated demyelination, unspecified
    BillableCC198

CC/MCC: as a secondary diagnosis, unless the principal diagnosis is on the code’s PDX exclusion list (MS-DRG v44 Appendix C; list on the code card).

Sources of each column.

Instructions

At G36

Excludes1

  • postinfectious encephalitis and encephalomyelitis NOS (G04.01) G04.01

Notes that also apply

Chapter 6 instructions (Excludes2 8): printed on the chapter 6 page.

Index entries

  • Devic's disease → G36.0
  • Neuroencephalomyelopathy, optic → G36.0
  • Ophthalmoneuromyelitis → G36.0
  • Hurst's disease → G36.1
  • Neuromyelitis → G36.9
  • Demyelination, demyelinizationin optic neuritis → G36.0
  • Disease, diseasedDevic's → G36.0
  • Myelitis (acute) (ascending) (childhood) (chronic) (descending) (diffuse) (disseminated) (idiopathic) (pressure) (progressive) (spinal cord) (subacute)optic neuritis in → G36.0
  • Neuromyelitisoptica → G36.0
  • Leukoencephalitisacute (subacute) hemorrhagic → G36.1
  • Demyelination, demyelinizationdisseminated, acute → G36.9
  • Neuritis (rheumatoid)optic (nerve) (hereditary) (sympathetic)with demyelination → G36.0
  • Neuritis (rheumatoid)optic (nerve) (hereditary) (sympathetic)in myelitis → G36.0
  • Demyelination, demyelinizationdisseminated, acutespecified NEC → G36.8

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Hierarchy