B01.11
B01.11: Varicella encephalitis and encephalomyelitis
Billable / specific codeICD-10-CM
B01.11 is a billable, specific ICD-10-CM code for varicella encephalitis and encephalomyelitis. It is valid for submission on a claim.
Check B01.11 with the rest of the claim: free scrubberInclusion terms
Alternative wordings a physician may use in the chart for this same code.
- Postchickenpox encephalitis and encephalomyelitis
Risk adjustment
No CMS-HCC V28 category: this code does not change a RAF score.
Medicare coverage
B01.11 is named in 7 Medicare coverage policies: 7 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.
- A56612Billing and Coding: CT of the Head
- A56771Billing and Coding: Special Electroencephalography
- A57204Billing and Coding: MRI and CT Scans of the Head and Neck
- A58710Billing and Coding: MolDX: Molecular Syndromic Panels for Infectious Disease Pathogen Identification Testing
Alphabetic index entries that lead here
- Encephalitis›postchickenpox
- Encephalitis›postvaricella
- Encephalomyelitis›postchickenpox
- Encephalomyelitis›postvaricella
- Varicella›with›encephalitis
- Varicella›with›encephalomyelitis
Code history
Unchanged in every release from FY2024 to FY2027.