2026 ICD-10-CM Diagnosis Code A32Listeriosis

ICD-10-CM Codes›A00–B99›A30-A49›A32

ICD-10-CM A32
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

A32 is a non-billable ICD-10-CM category code for listeriosis, so it cannot be submitted on claims. Use a more specific code from this category instead, such as A32.0, A32.11, A32.12, and A32.7.

Code Identity

ICD-10-CM Code
A32
Billable Status
No — Non-Billable Category
Code Describes
Listeriosis
Chapter
A30-A49
Other bacterial diseases

Code Classification

ChapterA00–B99Certain infectious and parasitic diseases
SectionA30-A49Other bacterial diseases
CategoryA32Listeriosis
This CodeA32Listeriosis

Specific Coding for ListeriosisOverview

Non-specific codes like A32 require more characters. Use one of these billable codes instead:

  • Use A32.0 for Cutaneous listeriosis

  • A32.1 for Listerial meningitis and meningoencephalitis

  • Use A32.11 for Listerial meningitis

  • Use A32.12 for Listerial meningoencephalitis

  • Use A32.7 for Listerial sepsis

  • A32.8 for Other forms of listeriosis

  • Use A32.81 for Oculoglandular listeriosis

  • Use A32.82 for Listerial endocarditis

  • Use A32.89 for Other forms of listeriosis

  • Use A32.9 for Listeriosis, unspecified

Tabular List NotesGuidance

Coding notes and annotation back-references applicable to this code.

Includes

  • listerial foodborne infection

Type 1 Excludes

  • neonatal disseminated listeriosis P37.2

Clinical InformationClinical

  • Listeriosis

    infections with bacteria of the genus listeria.

  • Listeria

    a genus of bacteria which may be found in the feces of animals and man, on vegetation, and in silage. its species are parasitic on cold-blooded and warm-blooded animals, including man.

Patient EducationClinical

Listeria Infections

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.

Read the full article at MedlinePlus

Courtesy of MedlinePlus, a service of the U.S. National Library of Medicine.

Code HistoryHistory

FY 2016AddedAdded to the ICD-10-CM code setEffective October 1, 2015, the first year of ICD-10-CM.
FY 2017–2025No changes
FY 2026CurrentCurrent code set, no changesEffective October 1, 2025 through September 30, 2026.

Questions About A32Overview

Is A32 (Listeriosis) a billable code?

No. This is a category header that groups the codes for listeriosis, and headers cannot be submitted on claims. Claims for listeriosis need a more specific code from this category, such as A32.0, A32.11, and A32.12.