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B40.81

B40.81: Blastomycotic meningoencephalitis

Billable / specific codeICD-10-CM

B40.81 is a billable, specific ICD-10-CM code for blastomycotic meningoencephalitis. It is valid for submission on a claim.

Check B40.81 with the rest of the claim: free scrubber

Inclusion terms

Alternative wordings a physician may use in the chart for this same code.

  • Meningomyelitis due to blastomycosis

Excludes1 inherited from the categories above B40.81

A category’s note binds every code beneath it.

Written on B40: Blastomycosis

  • Brazilian blastomycosis (B41.-)
  • keloidal blastomycosis (B48.0)

Risk adjustment

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

Medicare coverage

B40.81 is named in 1 Medicare coverage policy: 1 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.

  • A57224Billing and Coding: Respiratory Care

Alphabetic index entries that lead here

  • Meningomyelitis›blastomycotic NEC
  • Meningoencephalitis›in›blastomycosis NEC

Code history

Unchanged in every release from FY2024 to FY2027.

Other codes under B40.8

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.