Listeriosis (A32) ICD-10-CM
The A32 code range covers listeriosis with 11 ICD-10-CM diagnosis codes. 8 of them are billable and valid for claim submission in fiscal year 2027, and the category headers group them but cannot themselves be billed.
Includes
This note appears immediately under a three character code title to further define, or give examples of, the content of the category.
- listerial foodborne infection
Type 1 Excludes
A type 1 excludes note is a pure excludes note. It means "NOT CODED HERE!" An Excludes1 note indicates that the code excluded should never be used at the same time as the code above the Excludes1 note. An Excludes1 is used when two conditions cannot occur together, such as a congenital form versus an acquired form of the same condition.
- neonatal disseminated listeriosis P37.2
Codes in the A32 Range 11 codes · 8 billable
- A32 ListeriosisNon-billable
- A32.0 Cutaneous listeriosis
- A32.1 Listerial meningitis and meningoencephalitisNon-billable
- A32.11 Listerial meningitis
- A32.12 Listerial meningoencephalitis
- A32.7 Listerial sepsis
- A32.8 Other forms of listeriosisNon-billable
- A32.81 Oculoglandular listeriosis
- A32.82 Listerial endocarditis
- A32.89 Other forms of listeriosis
- A32.9 Listeriosis, unspecified
Clinical Terms in This Code Range
Definitions from the National Library of Medicine for conditions coded in the A32 range.
Listerial Endocarditis
Endocarditis caused by bacterial infection with Listeria species.
Listeriosis
Infections with bacteria of the genus LISTERIA.
About the A32 Code Range
Listeriosis is an infection caused by Listeria bacteria. Its subdivisions distinguish skin infection, sepsis, other forms, and unspecified listeriosis.
A32.1 divides into infection of the brain’s coverings alone and infection involving both the brain and its coverings. Under A32.8, the codes distinguish an eye-and-gland form, a form affecting the heart’s inner lining, and remaining forms.
Questions About This Page
How many billable codes are in the A32 range?
Of the 11 codes in this range, 8 are billable and valid for claim submission from October 1, 2026 through September 30, 2027. Category header codes group them but cannot be reported on claims.
What does the A32 range classify?
The range classifies listeriosis. Each code links to its own reference page with billing status, MS-DRG grouping, coding notes, and clinical information.
Related References
Source: CMS FY 2027 ICD-10-CM Tabular List and order file, effective October 1, 2026 through September 30, 2027.
