B40.8Header code — not billable

Other forms of blastomycosis

Chapter
1. Certain infectious and parasitic diseases
Category
B40
Effective date
October 1, 2026

Related codes in category B40

Frequently asked questions

What is ICD-10 code B40.8?

B40.8 is an ICD-10-CM diagnosis code for Other forms of blastomycosis.

Is B40.8 a billable code?

No. B40.8 is a category/header code, not billable on its own — use one of its more specific child codes instead.

What ICD-10-CM chapter is B40.8 in?

B40.8 falls under Chapter 1: Certain infectious and parasitic diseases.

When did B40.8 become effective?

B40.8 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

What other codes are related to B40.8?

B40.8 belongs to category B40, which includes 9 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.