A85.8Billable

Other specified viral encephalitis

Chapter
1. Certain infectious and parasitic diseases
Category
A85
Effective date
October 1, 2026

Related codes in category A85

A85Other viral encephalitis, not elsewhere classifiedA85.0Enteroviral encephalitisYesA85.1Adenoviral encephalitisYesA85.2Arthropod-borne viral encephalitis, unspecifiedYes

Frequently asked questions

What is ICD-10 code A85.8?

A85.8 is an ICD-10-CM diagnosis code for Other specified viral encephalitis.

Is A85.8 a billable code?

Yes. A85.8 is billable and specific enough to be used on a claim.

What ICD-10-CM chapter is A85.8 in?

A85.8 falls under Chapter 1: Certain infectious and parasitic diseases.

When did A85.8 become effective?

A85.8 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

What other codes are related to A85.8?

A85.8 belongs to category A85, which includes 4 other codes — see the related codes list on this page.

ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.