B10.09Billable

Other human herpesvirus encephalitis

Chapter
1. Certain infectious and parasitic diseases
Category
B10
Effective date
October 1, 2026

Related codes in category B10

Frequently asked questions

What is ICD-10 code B10.09?

B10.09 is an ICD-10-CM diagnosis code for Other human herpesvirus encephalitis.

Is B10.09 a billable code?

Yes. B10.09 is billable and specific enough to be used on a claim.

What ICD-10-CM chapter is B10.09 in?

B10.09 falls under Chapter 1: Certain infectious and parasitic diseases.

When did B10.09 become effective?

B10.09 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

What other codes are related to B10.09?

B10.09 belongs to category B10, which includes 7 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.