ICD-10-CM › A00-B99 › A80-A89 › A84 Tick-borne viral encephalitis › A84.8

A84.8

Other tick-borne viral encephalitis

Not billableICD-10-CM diagnosis code.

This code exists but cannot be submitted on its own. It groups the more specific codes beneath it.

Billable FY2016 to FY2020, and a category header from FY2021.

Submit one of these 2 more specific codes instead:

  • A84.81 Powassan virus disease
  • A84.89 Other tick-borne viral encephalitis

What has happened to this code

Every change the publisher made, from 2007 to now. Entries marked draft are from the pre-implementation releases: ICD-10 took effect on 1 October 2015, so nothing before FY2016 was ever valid on a claim.

  1. FY2007 Added to the draft code set draft Other tick-borne viral encephalitis
  2. FY2021 Stopped being billable

Official coding rules

Published by CDC for FY2027. A rule attached to a category binds every code beneath it, so the rules inherited from this code's ancestors are shown with the code they come from.

Inherited from A84 Tick-borne viral encephalitis

Includes

  • tick-borne viral meningoencephalitis

Inherited from the A80-A89 section Viral and prion infections of the central nervous system (A80-A89)

Excludes1 - never coded here

  • postpolio syndrome (G14)
  • sequelae of poliomyelitis (B91)
  • sequelae of viral encephalitis (B94.1)

Codes in the same group

CodeDescriptionStatus
A84.0 Far Eastern tick-borne encephalitis [Russian spring-summer encephalitis] Valid
A84.1 Central European tick-borne encephalitis Valid
A84.9 Tick-borne viral encephalitis, unspecified Valid