B39
⚠ Non-billable
Histoplasmosis
ICD-10-CM · FY2026 · Certain Infectious and Parasitic Diseases
Code
B39
System
ICD-10-CM
Billable
No — use specific code
Effective
FY2026
Chapter
Certain Infectious and Parasitic Diseases
Source
CMS / CDC NCHS
⚠ Verify before billing. Confirm against the current CMS/NCHS ICD-10-CM files and your payer's rules before claims submission.
Official coding notes
From CMS's ICD-10-CM Tabular List.
Code first
- associated AIDS (B20)
Use additional code
- code for any associated manifestations, such as:
- endocarditis (I39)
- meningitis (G02)
- pericarditis (I32)
- retinitis (H32)
Frequently asked questions
What is ICD-10 code B39?
ICD-10-CM code B39 represents Histoplasmosis. It is a non-billable header code requiring a more specific subcategory in the Certain Infectious and Parasitic Diseases chapter, effective October 1, 2025 – September 30, 2026.
Is B39 billable?
No. B39 is a non-billable header. Select a more specific subcategory for claims submission.
What chapter is B39 in?
B39 belongs to the Certain Infectious and Parasitic Diseases chapter (A00–B99) of ICD-10-CM.
Related codes in the B39 category
B39.0
Acute pulmonary histoplasmosis capsulati
Billable
B39.1
Chronic pulmonary histoplasmosis capsulati
Billable
B39.2
Pulmonary histoplasmosis capsulati, unspecified
Billable
B39.3
Disseminated histoplasmosis capsulati
Billable
B39.4
Histoplasmosis capsulati, unspecified
Billable
B39.5
Histoplasmosis duboisii
Billable
B39.9
Histoplasmosis, unspecified
Billable
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