ICD-10-CM › G00-G99 › G00-G09 › G04.0 Acute disseminated encephalitis... › G04.02
Postimmunization acute disseminated encephalitis, myelitis and encephalomyelitis
ValidICD-10-CM diagnosis code.
Valid for claims with a date of service in the current code year.
What has happened to this code
Every change the publisher made, from 2012 to now. Entries marked draft are from the pre-implementation releases: ICD-10 took effect on 1 October 2015, so nothing before FY2016 was ever valid on a claim.
- FY2012 Added to the draft code set draft Postimmunization acute disseminated encephalitis, myelitis and encephalomyelitis
Official coding rules
Published by CDC for FY2027. A rule attached to a category binds every code beneath it, so the rules inherited from this code's ancestors are shown with the code they come from.
Inherited from G04 Encephalitis, myelitis and encephalomyelitis
Excludes1 - never coded here
- encephalopathy NOS (G93.40)
Excludes2 - not included here
- 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)
Includes
- acute ascending myelitis
- meningoencephalitis
- meningomyelitis
How CDC's index refers to this code
Wording from the official alphabetic index. Much of it appears nowhere in the code description, which is why a search for the everyday phrase so often finds nothing.
- Lyssa
- Lockjaw
- Tollwut
- Myelitis
- Phrenitis
- Cephalitis
- Cerebritis
- Ileotyphus
- Ependymitis
- Hydrophobia
- Inoculation
- Cerebellitis
- Immunization
- Fever > brain
- Ventriculitis
- Typhoenteritis
- Febris, febrile
- Meningomyelitis
- Mesencephalitis
- Myelomeningitis
- Parencephalitis
- Syringomyelitis
- Fever > cerebral
- Radiculomyelitis
- Encephalomyelitis
- Meningocerebritis
- Myeloencephalitis
- Need > vaccination
- Encephalomeningitis
- Leukoencephalopathy
- Meningoencephalitis
- Need > immunization
- Meningomyeloneuritis
- Rage, meaning rabies
- Reaction > antitoxin
- Reaction > inoculation
- Reaction > vaccination
- Reaction > immunization
- Encephalomeningomyelitis
- Encephalomyelomeningitis
Showing 40 of 96 index phrases.
Codes in the same group
| Code | Description | Status |
|---|---|---|
| G04.00 | Acute disseminated encephalitis and encephalomyelitis, unspecified | Valid |
| G04.01 | Postinfectious acute disseminated encephalitis and encephalomyelitis (postinfectious ADEM) | Valid |