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A41 ICD-10-CA category: Other sepsis

A41 isn’t a code on its own. Choose one of the 11 codes beneath it, the one the documentation supports.

Official description

A41

Other sepsis

ICD-10-CA · Canada

Codes in A41

A41 isn’t a code on its own. Open the group that matches what the note documents.

A41.0Sepsis due to Staphylococcus aureusA41.1Sepsis due to other specified staphylococcusA41.2Sepsis due to unspecified staphylococcusA41.3Sepsis due to Haemophilus influenzaeA41.4Sepsis due to anaerobesA41.5Sepsis due to other Gram-negative organisms (4 codes)A41.8Other specified sepsisA41.9Sepsis, unspecified

Notes for A41

As CIHI prints them, with any note A41 takes from the headings above it.

Includes

  • Diseases generally recognized as communicable or transmissibleFrom Chapter 1: Certain infectious and parasitic diseases (A00-B99)

Use additional code

Add a code for this detail when the note documents it.

  • Use additional code (R57.2) to identify septic shock
  • Use additional code (U82-U84) to identify resistance to antimicrobial drugsFrom Chapter 1: Certain infectious and parasitic diseases (A00-B99)

Excludes

Conditions classified elsewhere.

  • Bacteraemia NOS (A49.9)during labour (O75.3)following:• abortion or ectopic or molar pregnancy (O03-O07, O08.0)• immunization (T88.0)• infusion, transfusion or therapeutic injection (T80.2)sepsis (due to)(in):• actinomycotic (A42.7)• anthrax (A22.7)• candidal (B37.7)• Erysipelothrix (A26.7)• extraintestinal yersiniosis (A28.2)• gonococcal (A54.86)• herpesviral (B00.7)• listerial (A32.7)• meningococcal (A39.2- A39.4)• neonatal (P36.-)• postprocedural (T81.4)• puerperal (O85)• streptococcal (A40.-)• tularaemia (A21.7)septic:• melioidosis (A24.1)• plague (A20.7)toxic shock syndrome (A48.3)
  • Carrier or suspected carrier of infectious disease (Z22.-)certain localized infections - see body system-related chaptersinfectious and parasitic diseases:• complicating pregnancy, childbirth and the puerperium [except obstetrical tetanus] (O98.-)• specific to the perinatal period [except tetanus neonatorum, whooping cough, congenital syphilis, perinatal gonococcal infection and perinatal human immunodeficiency virus [HIV] disease] (P35-P39)influenza and other acute respiratory infections (J00-J22)From Chapter 1: Certain infectious and parasitic diseases (A00-B99)

Where A41 sits

  1. 1ChapterChapter 1: Certain infectious and parasitic diseases (A00-B99)
  2. 2Block A30-A49Other bacterial diseases
  3. 3Category A41Other sepsis

Source and release

Data release
ICD-10-CA · FY 2026–2027
Effective date
Apr 1, 2026
Publisher
CIHI

This page is built from the ICD-10-CA catalog that Vero Codes reads when it suggests codes: Canadian Institute for Health Information’s FY 2026–2027 release, imported from the publisher’s file and checked against it. The description, notes and structured data come from the same record.

See A41 in the CIHI source

Frequently asked questions

Is A41 a valid ICD-10-CA code?

No. A41 (Other sepsis) is a category heading in CIHI’s ICD-10-CA FY 2026–2027 release. It holds 11 codes; record the one the documentation supports.

Where is A41 in ICD-10-CA?

A41 sits under A30-A49 Other bacterial diseases, within Chapter 1: Certain infectious and parasitic diseases (A00-B99).

What coding notes apply to A41?

ICD-10-CA lists Use additional code, Excludes, Includes notes for A41, including those from the headings it sits under. They are listed on this page with where each one comes from.

Which ICD-10-CA release does this page use?

It uses CIHI’s FY 2026–2027 release, in effect from Apr 1, 2026 to Mar 31, 2027. It is a reference: confirm the code against the current list and the payer’s rules before you submit it.

Codes beside A41

A30Leprosy [Hansen's disease]A31Infection due to other mycobacteriaA32ListeriosisA33Tetanus neonatorumA34Obstetrical tetanusA35Other tetanusA36DiphtheriaA37Whooping coughA38Scarlet feverA39Meningococcal infectionA40Streptococcal sepsisA42ActinomycosisA43NocardiosisA44BartonellosisA46ErysipelasA48Other bacterial diseases, not elsewhere classifiedA49Bacterial infection of unspecified site