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A32.9

Billable

Listeriosis, unspecified

This code does not map to an HCC category in any model (V28, V24, ESRD, RxHCC).

What This Code Means

A bacterial infection caused by Listeria monocytogenes that affects various body systems, but the specific type or location of infection is not documented. This is a serious infection that can affect the brain, bloodstream, or other organs.

Coding Tips

  • Use this code only when the documentation does not specify the type of listeriosis (such as meningitis, bacteremia, or pregnancy-related); query the provider for more specific clinical details when possible
  • Listeriosis is typically treated with antibiotics and may require hospitalization; ensure the severity and any complications are documented to support medical necessity

Code Hierarchy

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