A02.1 — Salmonella sepsis
A02.1 is a billable, specific ICD-10-CM code for salmonella sepsis. It is valid for submission on a claim.
Other codes that can never be billed with A02.1
These codes carry an Excludes1 note pointing at A02.1. The conflict binds both ways, but ICD-10-CM only writes it down on one side — so you would not find this by reading A02.1 alone.
- A05Other bacterial foodborne intoxications, not elsewhere classified
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.
- Sepsis›Salmonella(arizonae) (cholerae-suis) (enteritidis) (typhimurium)
- Infection, infected, infective›Salmonella›with›sepsis
- Intoxication›foodborne›due to›Salmonella›with›sepsis
- Poisoning›food NEC›due to›salmonella›with›sepsis
Code history
A02.1 has not changed since FY2024 — no addition, revision or deletion across the three most recent ICD-10-CM releases.
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).