B39Header code — not billable
Histoplasmosis
- Chapter
- 1. Certain infectious and parasitic diseases
- Category
- B39
- Effective date
- October 1, 2026
Related codes in category B39
B39.0Acute pulmonary histoplasmosis capsulatiYesB39.1Chronic pulmonary histoplasmosis capsulatiYesB39.2Pulmonary histoplasmosis capsulati, unspecifiedYesB39.3Disseminated histoplasmosis capsulatiYesB39.4Histoplasmosis capsulati, unspecifiedYesB39.5Histoplasmosis duboisiiYesB39.9Histoplasmosis, unspecifiedYes
Frequently asked questions
What is ICD-10 code B39?
B39 is an ICD-10-CM diagnosis code for Histoplasmosis.
Is B39 a billable code?
No. B39 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 B39 in?
B39 falls under Chapter 1: Certain infectious and parasitic diseases.
When did B39 become effective?
B39 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.
What other codes are related to B39?
B39 belongs to category B39, 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.