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A02.1

A02.1Salmonella sepsis

Billable / specific codeICD-10-CM

A02.1 is a billable, specific ICD-10-CM code for salmonella sepsis. It is valid for submission on a claim.

Risk adjustment

A02.1 risk-adjusts. Under the CMS-HCC V28 model it maps to this category:

  • HCC 2 Septicemia, Sepsis, Systemic Inflammatory Response Syndrome/Shock0.500 RAF

Coefficient shown for the Community Non-dual Aged segment. A higher HCC in the same hierarchy will suppress this one, so capturing it does not always add score.

Medicare coverage

A02.1 is named in 7 Medicare coverage policies 7 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.

  • A52868Billing and Coding: Transesophageal Echocardiography (TEE)
  • A56809Billing and Coding: Transesophageal Echocardiography (TEE)
  • A57326Billing and Coding: Electrocardiograms
  • A58710Billing and Coding: MolDX: Molecular Syndromic Panels for Infectious Disease Pathogen Identification Testing

How A02.1 is indexed

Coders do not find codes by browsing the tabular list — they look them up in the alphabetic index, under the word the physician wrote. These are the index entries that lead here, so you can see which chart wordings map to A02.1.

  • SepsisSalmonella(arizonae) (cholerae-suis) (enteritidis) (typhimurium)
  • Infection, infected, infectiveSalmonellawithsepsis
  • Intoxicationfoodbornedue toSalmonellawithsepsis
  • Poisoningfood NECdue tosalmonellawithsepsis

Related codes at this level

Codes that share A02. If A02.1 is not quite right, the correct code is usually one of these.

Questions about A02.1

Is A02.1 a billable ICD-10-CM code?
Yes. A02.1 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does A02.1 sit in the tabular list?
Certain infectious and parasitic diseases (A00-B99), in the block Intestinal infectious diseases (A00-A09).
ICD-10-CMFY2026-Apr· effective April 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release — see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.