A81.89Billable

Other atypical virus infections of central nervous system

Chapter
1. Certain infectious and parasitic diseases
Category
A81
Effective date
October 1, 2026

Related codes in category A81

Frequently asked questions

What is ICD-10 code A81.89?

A81.89 is an ICD-10-CM diagnosis code for Other atypical virus infections of central nervous system.

Is A81.89 a billable code?

Yes. A81.89 is billable and specific enough to be used on a claim.

What ICD-10-CM chapter is A81.89 in?

A81.89 falls under Chapter 1: Certain infectious and parasitic diseases.

When did A81.89 become effective?

A81.89 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

What other codes are related to A81.89?

A81.89 belongs to category A81, which includes 12 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.