A32

Non-billable

Listeriosis

A32 is the ICD-10-CM code for Listeriosis. It is a non-billable category code — use a more specific child code such as A32.0 for billing.

Status
Header (non-billable)
Chapter
A00-B99
Subcodes
5
Edition
FY2026

A00-B99 Certain infectious and parasitic diseases

What this means — in plain language

MedlinePlus · NIH

Listeriosis is a foodborne illness caused by Listeria monocytogenes, bacteria found in soil and water. It can be in a variety of raw foods as well as in processed foods and foods made from unpasteurized milk. Listeria is unlike many other germs because it can grow even in the cold temperature of the refrigerator. Symptoms include fever and chills, headache, upset stomach and vomiting. Treatment is with antibiotics.…

Read more about Listeria Infections at MedlinePlus ↗

Source: U.S. National Library of Medicine (MedlinePlus). Informational only — not medical advice.

Includes

  • listerial foodborne infection

Excludes1 — not coded here

  • neonatal (disseminated) listeriosis (P37.2)

Frequently asked questions

What is ICD-10 code A32?
A32 is the ICD-10-CM code for "Listeriosis". It falls under A00-B99 Certain infectious and parasitic diseases.
Is A32 a billable code?
No — A32 is a non-billable header code. Use a more specific child code (such as A32.0) for billing.
What are the subcodes of A32?
A32 has 5 more specific child codes, including A32.0, A32.1, A32.7.
What is excluded from A32?
Excludes1 (not coded here): neonatal (disseminated) listeriosis (P37.2).

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

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