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ICD-10-CM category A41: Other sepsis

Category A41 is a heading in chapter 1 (Certain infectious and parasitic diseases (A00-B99)), section Other bacterial diseases (A30-A49). It is not billable; report one of the 15 complete codes below.

Notes that apply to every A41 code

Excludes1 (never coded together)
  • bacteremia NOS (R78.81)
  • neonatal (P36.-)
  • puerperal sepsis (O85)
  • streptococcal sepsis (A40.-)
Excludes2 (not part of this condition, may be coded together)
  • sepsis (due to) (in) actinomycotic (A42.7)
  • sepsis (due to) (in) anthrax (A22.7)
  • sepsis (due to) (in) candidal (B37.7)
  • sepsis (due to) (in) Erysipelothrix (A26.7)
  • sepsis (due to) (in) extraintestinal yersiniosis (A28.2)
  • sepsis (due to) (in) gonococcal (A54.86)
  • sepsis (due to) (in) herpesviral (B00.7)
  • sepsis (due to) (in) listerial (A32.7)
  • sepsis (due to) (in) melioidosis (A24.1)
  • sepsis (due to) (in) meningococcal (A39.2-A39.4)
  • sepsis (due to) (in) plague (A20.7)
  • sepsis (due to) (in) tularemia (A21.7)
  • toxic shock syndrome (A48.3)
Code first
  • , if applicable, postprocedural sepsis (T81.44-)
  • sepsis due to central venous catheter (T80.211-)
  • sepsis during labor (O75.3)
  • sepsis following abortion, ectopic or molar pregnancy (O03.37, O03.87, O04.87, O07.37, O08.82)
  • sepsis following immunization (T88.0-)
  • sepsis following infusion, transfusion or therapeutic injection (T80.22-, T80.29-)

Billable codes in A41

Billable FY2027 ICD-10-CM codes in category A41
CodeDescription
A41.01Sepsis due to Methicillin susceptible Staphylococcus aureus
A41.02Sepsis due to Methicillin resistant Staphylococcus aureus
A41.1Sepsis due to other specified staphylococcus
A41.2Sepsis due to unspecified staphylococcus
A41.3Sepsis due to Hemophilus influenzae
A41.4Sepsis due to anaerobes
A41.50Gram-negative sepsis, unspecified
A41.51Sepsis due to Escherichia coli [E. coli]
A41.52Sepsis due to Pseudomonas
A41.53Sepsis due to Serratia
A41.54Sepsis due to Acinetobacter baumannii
A41.59Other Gram-negative sepsis
A41.81Sepsis due to Enterococcus
A41.89Other specified sepsis
A41.9Sepsis, unspecified organism

Sources

Every figure on this page is taken from the CMS publications below, as released by the Centers for Medicare & Medicaid Services. Projection built 2026-10-10. Verify against the primary file before billing or contracting decisions. The reference methodology explains how each figure is computed from these files.

Codes from the FY2027 ICD-10-CM files (all chapters). Report the code that matches the documentation and the Official Guidelines; this list is not coding advice.