ICD-10-CM › G00-G99 › G00-G09 › G04.8 Other encephalitis, myelitis and... › G04.82
G04.82
Acute flaccid myelitis
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 2022 to now.
- FY2022 Added to the code set Acute flaccid myelitis
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.
- Infection, infected, infective > spinal cord NOS
- Myelitis > flaccid
Codes in the same group
| Code | Description | Status |
|---|---|---|
| G04.81 | Other encephalitis and encephalomyelitis | Valid |
| G04.89 | Other myelitis | Valid |