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A32.12

A32.12: Listerial meningoencephalitis

Billable / specific codeICD-10-CM

A32.12 is a billable, specific ICD-10-CM code for listerial meningoencephalitis. It is valid for submission on a claim.

Check A32.12 with the rest of the claim: free scrubber

Excludes1 inherited from the categories above A32.12

A category’s note binds every code beneath it.

Written on A32: Listeriosis

  • neonatal (disseminated) listeriosis (P37.2)

Other codes that can never be billed with A32.12

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

  • G05Encephalitis, myelitis and encephalomyelitis in diseases classified elsewhere
  • A05Other bacterial foodborne intoxications, not elsewhere classified

Risk adjustment

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

Medicare coverage

A32.12 is named in 5 Medicare coverage policies: 5 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.

  • A57204Billing and Coding: MRI and CT Scans of the Head and Neck
  • A58710Billing and Coding: MolDX: Molecular Syndromic Panels for Infectious Disease Pathogen Identification Testing
  • A58720Billing and Coding: MolDX: Molecular Syndromic Panels for Infectious Disease Pathogen Identification Testing
  • A58747Billing and Coding: MolDX: Molecular Syndromic Panels for Infectious Disease Pathogen Identification Testing

Alphabetic index entries that lead here

  • Meningoencephalitis›Listeria monocytogenes
  • Encephalitis›in›listeriosis

Code history

Unchanged in every release from FY2024 to FY2027.

Other codes under A32.1

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.