A84.89
A84.89: Other tick-borne viral encephalitis
Billable / specific codeICD-10-CM
A84.89 is a billable, specific ICD-10-CM code for other tick-borne viral encephalitis. It is valid for submission on a claim.
Check A84.89 with the rest of the claim: free scrubberCode first
The underlying condition must be sequenced before this code.
- , if applicable, transfusion related infection (T80.22-)
Inclusion terms
Alternative wordings a physician may use in the chart for this same code.
- Louping ill
Risk adjustment
No CMS-HCC V28 category: this code does not change a RAF score.
Medicare coverage
A84.89 is named in 7 Medicare coverage policies: 7 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.
- A56771Billing and Coding: Special Electroencephalography
- A56773Billing and Coding: Neurophysiology Evoked Potentials (NEPs)
- 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
- Louping ill(encephalitis)
- Encephalitis›louping ill
- Encephalitis›viral, virus›tick-borne, specified NEC
- Encephalitis›viral, virus›arthropod-borne NEC›tick-borne›specified NEC
Code history
Unchanged in every release from FY2024 to FY2027.