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ICD-10-CM category

A84: Tick-borne viral encephalitis

6 subcodes · 5 billable · Look up any code with the ICD-10 search

Codes under A84 (Tick-borne viral encephalitis). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.

CodeDescriptionBillable
A84.0Far Eastern tick-borne encephalitis [Russian spring-summer encephalitis]✓
A84.1Central European tick-borne encephalitis✓
A84.8Other tick-borne viral encephalitis—
A84.9Tick-borne viral encephalitis, unspecified✓
A84.81Powassan virus disease✓
A84.89Other tick-borne viral encephalitis✓

More free billing tools: all ICD-10 categories · ICD-10 search · denial codes · Medicare fees

Informational only, not coding or medical advice. Verify against the official ICD-10-CM (FY2026) and your payer's guidelines.

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