G05.3
G05.3: Encephalitis and encephalomyelitis in diseases classified elsewhere
Billable / specific codeICD-10-CM
G05.3 is a billable, specific ICD-10-CM code for encephalitis and encephalomyelitis in diseases classified elsewhere. It is valid for submission on a claim.
Check G05.3 with the rest of the claim: free scrubberCode first
The underlying condition must be sequenced before this code.
- underlying disease
Inclusion terms
Alternative wordings a physician may use in the chart for this same code.
- Meningoencephalitis in diseases classified elsewhere
Excludes1 inherited from the categories above G05.3
A category’s note binds every code beneath it.
Written on G05: Encephalitis, myelitis and encephalomyelitis in diseases classified elsewhere
- adenoviral encephalitis, myelitis and encephalomyelitis (A85.1)
- encephalitis, myelitis and encephalomyelitis (in) measles (B05.0)
- enteroviral encephalitis, myelitis and encephalomyelitis (A85.0)
- herpesviral [herpes simplex] encephalitis, myelitis and encephalomyelitis (B00.4)
- listerial encephalitis, myelitis and encephalomyelitis (A32.12)
- meningococcal encephalitis, myelitis and encephalomyelitis (A39.81)
- mumps encephalitis, myelitis and encephalomyelitis (B26.2)
- postchickenpox encephalitis, myelitis and encephalomyelitis (B01.1-)
- rubella encephalitis, myelitis and encephalomyelitis (B06.01)
- toxoplasmosis encephalitis, myelitis and encephalomyelitis (B58.2)
- zoster encephalitis, myelitis and encephalomyelitis (B02.0)
Risk adjustment
No CMS-HCC V28 category: this code does not change a RAF score.
Medicare coverage
G05.3 is named in 8 Medicare coverage policies: 8 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.
- A56551Billing and Coding: Visual Fields Testing
- A56771Billing and Coding: Special Electroencephalography
- A56799Billing and Coding: Visual Fields Testing
- A57204Billing and Coding: MRI and CT Scans of the Head and Neck
Alphabetic index entries that lead here
- Encephalomyelitis›in diseases classified elsewhere
- Meningoencephalitis›in›diseases classified elsewhere
Code history
Unchanged in every release from FY2024 to FY2027.