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B39.9

B39.9: Histoplasmosis, unspecified

Billable / specific codeICD-10-CM

B39.9 is a billable, specific ICD-10-CM code for histoplasmosis, unspecified. It is valid for submission on a claim.

Check B39.9 with the rest of the claim: free scrubber

Risk adjustment

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

Medicare coverage

B39.9 is named in 11 Medicare coverage policies: 11 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.

  • A53008Billing and Coding: Intraocular Bevacizumab
  • A56416Billing and Coding: Assays for Vitamins and Metabolic Function
  • A56537Billing and Coding: Scanning Computerized Ophthalmic Diagnostic Imaging (SCODI)
  • A56692Billing and Coding: Scanning Computerized Ophthalmic Diagnostic Imaging (SCODI)

Alphabetic index entries that lead here

  • Histoplasmosis
  • Chorioretinitis›histoplasmic
  • Chorioretinitis›in›histoplasmosis

Code history

Unchanged in every release from FY2024 to FY2027.

Other codes under B39

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.