G04

Encephalitis, myelitis and encephalomyelitis

Cannot Code Together

These codes cannot be used together with the current code, even if both conditions are present.

  • • encephalopathy NOS (G93.40)

Can Code Together

These codes can be used together with the current code if both conditions are documented.

  • • acute transverse myelitis (G37.3)
  • • alcoholic encephalopathy (G31.2)
  • • multiple sclerosis (G35)
  • • myalgic encephalomyelitis (G93.32)
  • • subacute necrotizing myelitis (G37.4)
  • • toxic encephalitis (G92.8)
  • • toxic encephalopathy (G92.8)