2027 ICD-10-CM Diagnosis Code A02Other salmonella infections

ICD-10-CM Codes›A00–B99›A00-A09›A02

ICD-10-CM A02
CMSSource: CMS FY 2027 ICD-10-CM dataset · Effective Oct 1, 2026 – Sep 30, 2027

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
Short Description
Other salmonella infections
Same as the full description in the CMS dataset.
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

Instructional NotesGuidance

Instructions from the official ICD-10-CM Tabular List that apply to A02: its own notes plus those printed at Chapter 1. A note printed at a category, block or chapter applies to every code under it.

Includes

Further defines, or gives examples of, the content of the category.

On A02 itself
  • infection or foodborne intoxication due to any Salmonella species other than S. typhi and S. paratyphi
From Chapter 1 (A00-B99) Certain infectious and parasitic diseases applies to 1,068 codes
  • diseases generally recognized as communicable or transmissible

Excludes2

Not included here: the excluded condition is not part of this code, but a patient may have both, so both codes may be reported.

From Chapter 1 (A00-B99) Certain infectious and parasitic diseases applies to 1,068 codes
  • carrier or suspected carrier of infectious disease (Z22.-)
  • certain localized infections - see body system-related chapters
  • infectious and parasitic diseases complicating pregnancy, childbirth and the puerperium (O98.-)
  • infectious and parasitic diseases specific to the perinatal period (P35-P39)
  • influenza and other acute respiratory infections (J00-J22)

Use Additional Code

Add a second code, after this one, to fully describe the condition.

From Chapter 1 (A00-B99) Certain infectious and parasitic diseases applies to 1,068 codes
  • code to identify resistance to antimicrobial drugs (Z16.-)

Source: CMS ICD-10-CM Tabular List. How to read instructional notes.

Referenced in Other NotesGuidance

Instructional notes printed at other codes that name A02, its category, or a range that includes it.

Excludes1 1

These codes carry an Excludes1 note naming A02: they are not reported together with it, unless the two conditions are unrelated.

  • A05 Other bacterial foodborne intoxications, not elsewhere classified
    salmonella foodborne intoxication and infection (A02.-)

Excludes2 2

These codes carry an Excludes2 note naming A02: its condition is not part of those codes, and both may be reported when the patient has both.

  • Block P35-P39 Infections specific to the perinatal period
    intestinal infectious disease (A00-A09) names A00-A09, which includes this code
  • P37 Other congenital infectious and parasitic diseases
    infectious neonatal diarrhea (A00-A09) names A00-A09, which includes this code

Code First 1

These codes say to code first a condition named in the note, and A02 is one of the conditions named.

  • M49 Spondylopathies in diseases classified elsewhere
    enterobacterial infections (A01-A04) names A01-A04, which includes this code

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 2017–2026No changes
FY 2027CurrentCurrent code set, no changesEffective October 1, 2026 through September 30, 2027.

Questions About A02Overview

What is the ICD-10 code for other salmonella infections?

A02 is the ICD-10-CM category for other salmonella infections, but it is a non-billable header: claims need a more specific code from this category, listed on this page.

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.