MCMedicalCodingSoftware
Free trial
B39

B39: Histoplasmosis

Non-billable headerICD-10-CM

B39 is a non-billable header ICD-10-CM code for histoplasmosis. It cannot be billed on its own: choose one of the more specific child codes below.

Code first

The underlying condition must be sequenced before this code.

  • associated AIDS (B20)

Use additional code

Add a secondary code to capture the detail described below.

  • code for any associated manifestations, such as:
  • endocarditis (I39)
  • meningitis (G02)
  • pericarditis (I32)
  • retinitis (H32)

Other codes that can never be billed with B39

Their own Excludes1 notes name this code, so the conflict is not listed above.

  • J17Pneumonia in diseases classified elsewhere
  • J99Respiratory disorders in diseases classified elsewhere

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Code history

Unchanged in every release from FY2024 to FY2027.

Code to one of these instead B39

7 child codes. Green means billable.

ICD-10-CMFY2027· effective October 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release: see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.