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B39

Non-billable

Histoplasmosis

B39 is the ICD-10-CM code for Histoplasmosis. It is a non-billable category code — use a more specific child code such as B39.0 for billing.

Status
Header (non-billable)
Chapter
A00-B99
Subcodes
7
Edition
FY2026

A00-B99 Certain infectious and parasitic diseases

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?
B39 is the ICD-10-CM code for "Histoplasmosis". It falls under A00-B99 Certain infectious and parasitic diseases.
Is B39 a billable code?
No — B39 is a non-billable header code. Use a more specific child code (such as B39.0) for billing.
What are the subcodes of B39?
B39 has 7 more specific child codes, including B39.0, B39.1, B39.2.

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

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