G04.30

Acute necrotizing hemorrhagic encephalopathy, unspecified

Billable / specific

G04.30 is a billable, specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes in FY2027.

Inclusion terms

Includes (from G04)

  • acute ascending myelitis
  • meningoencephalitis
  • meningomyelitis

Excludes1

Not coded here — never report together with this code.

  • acute disseminated encephalitis and encephalomyelitis (G04.0-) (from G04.3)
  • encephalopathy NOS (G93.40) (from G04)

Excludes2

Not included here — may be reported together when both conditions exist.

  • certain conditions originating in the perinatal period (P04-P96) (from G04)
  • certain infectious and parasitic diseases (A00-B99) (from G04)
  • complications of pregnancy, childbirth and the puerperium (O00-O9A) (from G04)
  • congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99) (from G04)
  • endocrine, nutritional and metabolic diseases (E00-E88) (from G04)
  • injury, poisoning and certain other consequences of external causes (S00-T88) (from G04)
  • neoplasms (C00-D49) (from G04)
  • symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94) (from G04)
  • acute transverse myelitis (G37.3) (from G04)
  • alcoholic encephalopathy (G31.2) (from G04)
  • multiple sclerosis (G35-) (from G04)
  • myalgic encephalomyelitis (G93.32) (from G04)
  • subacute necrotizing myelitis (G37.4) (from G04)
  • toxic encephalitis (G92.8) (from G04)
  • toxic encephalopathy (G92.8) (from G04)

Also known as

  • Encephalitis, acute, necrotizing hemorrhagic
  • Encephalomyelitis, acute necrotizing hemorrhagic
  • Encephalopathy, acute necrotizing hemorrhagic

Parent code

  • G04.3Acute necrotizing hemorrhagic encephalopathyHeader

Related codes

  • G04.31Postinfectious acute necrotizing hemorrhagic encephalopathyBillable
  • G04.32Postimmunization acute necrotizing hemorrhagic encephalopathyBillable
  • G04.39Other acute necrotizing hemorrhagic encephalopathyBillable

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