A02

Non-Billable
ChapterA00–B99
Rankcategory
Official Description

Other salmonella infections

Metadata & Insights
  • •2026 ICD-10-CM Edition - Effective October 1, 2025.
  • •Non-billable category (requires more specific sub-code).
  • •Chapter 1: Certain Infectious and Parasitic Diseases (A00-B99).

CH1 Parent Instructions

Includes
  • diseases generally recognized as communicable or transmissible
Excludes1(Not coded here)
  • certain localized infections - see body system-related chapters
Excludes2(Not included here)
  • carrier or suspected carrier of infectious disease (Z22.-)
  • 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
  • code to identify resistance to antimicrobial drugs (Z16.-)

Instructional Notes

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

Clinical Hierarchy

CH1Certain infectious and parasitic diseases (A00-B99)
A00-A09Intestinal infectious diseases (A00-A09)
A02Other salmonella infections
A02.0Salmonella enteritis
A02.1Salmonella sepsis
A02.2Localized salmonella infections
A02.8Other specified salmonella infections
A02.9Salmonella infection, unspecified

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to A02:

chapterCH1
Certain infectious and parasitic diseases (A00-B99)
View context instructions

Alphabetic Index Mentions

These are Diagnosis Index lookup paths that route to A02. Use them as entry terms for search, then confirm final coding instructions in the Tabular List and notes above.

25 raw paths
Arthritis, arthritic (acute) (chronic) (nonpyogenic) (subacute)1 unique routes
in (due to)
Salmonella (arizonae) (cholerae-suis) (enteritidis) (typhimurium)→A02
Disorder (of)1 unique routes
tubulo-interstitial (in)
Salmonella infection→A02
Dysentery, dysenteric (catarrhal) (diarrhea) (epidemic) (hemorrhagic) (infectious) (sporadic) (tropical)1 unique routes
Salmonella→A02
Enteritis (acute) (diarrheal) (hemorrhagic) (noninfective)3 unique routes
aertrycke infection→A02
infectious NOS
due to
Arizona (bacillus)→A02
Salmonella, salmonellosis (arizonae) (cholerae-suis) (enteritidis) (typhimurium)→A02
Fever (inanition) (of unknown origin) (persistent) (with chills) (with rigor)1 unique routes
swine→A02
Gastroenteritis (acute) (chronic) (noninfectious)1 unique routes
Salmonella→A02
Infection, infected, infective (opportunistic)12 unique routes
Salmonella (aertrycke) (arizonae) (cholerae-suis) (enteritidis) (gallinarum) (suipestifer) (typhimurium)→A02(12 variants)
due to food (poisoning)→A02
localized→A02(7 variants)
arthritis→A02
meningitis→A02
osteomyelitis→A02
pneumonia→A02
pyelonephritis→A02
specified NEC→A02
with(3 variants)
(gastro)enteritis→A02
sepsis→A02
specified manifestation NEC→A02
Intoxication5 unique routes
foodborne(5 variants)
due to(5 variants)
Salmonella→A02(5 variants)
with(4 variants)
(gastro)enteritis→A02
localized infection (s)→A02(3 variants)
arthritis→A02
meningitis→A02

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

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