2026 ICD-10-CM Diagnosis Code A02Other salmonella infections

ICD-10-CM Codes›A00–B99›A00-A09›A02

ICD-10-CM A02
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

A02 is a non-billable ICD-10-CM category code for other salmonella infections, so it cannot be submitted on claims. Use a more specific code from this category instead, such as A02.0, A02.1, A02.20, and A02.21.

Code Identity

ICD-10-CM Code
A02
Billable Status
No — Non-Billable Category
Code Describes
Other salmonella infections
Chapter
A00-A09
Intestinal infectious diseases

Code Classification

ChapterA00–B99Certain infectious and parasitic diseases
SectionA00-A09Intestinal infectious diseases
CategoryA02Other salmonella infections
This CodeA02Other salmonella infections

Specific Coding for Other salmonella infectionsOverview

Non-specific codes like A02 require more characters. Use one of these billable codes instead:

  • Use A02.0 for Salmonella enteritis

  • Use A02.1 for Salmonella sepsis

  • A02.2 for Localized salmonella infections

  • Use A02.20 for Localized salmonella infection, unspecified

  • Use A02.21 for Salmonella meningitis

  • Use A02.22 for Salmonella pneumonia

  • Use A02.23 for Salmonella arthritis

  • Use A02.24 for Salmonella osteomyelitis

  • Use A02.25 for Salmonella pyelonephritis

  • Use A02.29 for Salmonella with other localized infection

  • Use A02.8 for Other specified salmonella infections

  • Use A02.9 for Salmonella infection, unspecified

Tabular List NotesGuidance

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

Includes

  • infection or foodborne intoxication due to any Salmonella species other than S. typhi and S. paratyphi

Clinical InformationClinical

  • Salmonella Infections

    infections with bacteria of the genus salmonella.

  • Salmonella Infections, Animal

    infections in animals with bacteria of the genus salmonella.

  • Salmonella

    a genus of gram-negative, facultatively anaerobic, rod-shaped bacteria that utilizes citrate as a sole carbon source. it is pathogenic for humans, causing enteric fevers, gastroenteritis, and bacteremia. food poisoning is the most common clinical manifestation. organisms within this genus are separated on the basis of antigenic characteristics, sugar fermentation patterns, and bacteriophage susceptibility.

Patient EducationClinical

Salmonella Infections

Salmonella is the name of a group of bacteria. In the United States, it is a common cause of foodborne illness. Salmonella occurs in raw poultry, eggs, beef, and sometimes on unwashed fruit and vegetables. You also can get infected after handling pets, especially reptiles like snakes, turtles, and lizards.

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 A02Overview

Is A02 (Other salmonella infections) a billable code?

No. This is a category header that groups the codes for other salmonella infections, and headers cannot be submitted on claims. Claims for other salmonella infections need a more specific code from this category, such as A02.0, A02.1, and A02.20.