A85
Non-billableOther viral encephalitis, not elsewhere classified
A85 is the ICD-10-CM code for Other viral encephalitis, not elsewhere classified. It is a non-billable category code — use a more specific child code such as A85.0 for billing.
- Status
- Header (non-billable)
- Chapter
- A00-B99
- Subcodes
- 4
- Edition
- FY2026
A00-B99 Certain infectious and parasitic diseases
Includes
- •specified viral encephalomyelitis NEC
- •specified viral meningoencephalitis NEC
Excludes1 — not coded here
- •encephalitis due to cytomegalovirus (B25.8)
- •encephalitis due to herpesvirus NEC (B10.0-)
- •encephalitis due to herpesvirus [herpes simplex] (B00.4)
- •encephalitis due to measles virus (B05.0)
- •encephalitis due to mumps virus (B26.2)
- •encephalitis due to poliomyelitis virus (A80.-)
- •encephalitis due to zoster (B02.0)
- •lymphocytic choriomeningitis (A87.2)
- •myalgic encephalomyelitis (G93.32)
Frequently asked questions
Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.
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