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A41.59

Other Gram-negative sepsis

Billable FY2026 2025-10-01 → 2026-09-30
Exclusions 22 never code together
A41code
Excludes1
  • bacteremia NOS (R78.81)R78.81
  • neonatal (P36.-)P36.-
  • puerperal sepsis (O85)O85
  • streptococcal sepsis (A40.-)A40.-
Excludes2
  • sepsis (due to) (in) actinomycotic (A42.7)A42.7
  • sepsis (due to) (in) anthrax (A22.7)A22.7
  • sepsis (due to) (in) candidal (B37.7)B37.7
  • sepsis (due to) (in) Erysipelothrix (A26.7)A26.7
  • sepsis (due to) (in) extraintestinal yersiniosis (A28.2)A28.2
  • sepsis (due to) (in) gonococcal (A54.86)A54.86
  • sepsis (due to) (in) herpesviral (B00.7)B00.7
  • sepsis (due to) (in) listerial (A32.7)A32.7
  • sepsis (due to) (in) melioidosis (A24.1)A24.1
  • sepsis (due to) (in) meningococcal (A39.2-A39.4)A39.2-A39.4
  • sepsis (due to) (in) plague (A20.7)A20.7
  • sepsis (due to) (in) tularemia (A21.7)A21.7
  • toxic shock syndrome (A48.3)A48.3
A00-B99chapter
Excludes1
  • certain localized infections - see body system-related chapters
Excludes2
  • carrier or suspected carrier of infectious disease (Z22.-)Z22.-
  • infectious and parasitic diseases complicating pregnancy, childbirth and the puerperium (O98.-)O98.-
  • infectious and parasitic diseases specific to the perinatal period (P35-P39)P35-P39
  • influenza and other acute respiratory infections (J00-J22)J00-J22

Excludes1 — never code together. The excluded condition and this one are mutually exclusive.

Excludes2 — not included here, but the patient may have both. Code both when documented.

Instructional notes 8
A41code
Code first
  • , if applicable, postprocedural sepsis (T81.44-)T81.44-
  • sepsis due to central venous catheter (T80.211-)T80.211-
  • sepsis during labor (O75.3)O75.3
  • sepsis following abortion, ectopic or molar pregnancy (O03.37, O03.87, O04.87, O07.37, O08.82)O03.37O03.87O04.87O07.37O08.82
  • sepsis following immunization (T88.0-)T88.0-
  • sepsis following infusion, transfusion or therapeutic injection (T80.22-, T80.29-)T80.22-T80.29-
A00-B99chapter
Includes
  • diseases generally recognized as communicable or transmissible
Use additional code
  • code to identify resistance to antimicrobial drugs (Z16.-)Z16.-
Index entries leading here 2
  • Sepsis (generalized) (unspecified organism) A41.9
  • Infection, infected, infective (opportunistic) B99.9
Alongside this code 5 same parent — A41.5
A41.50 Gram-negative sepsis, unspecified A41.51 Sepsis due to Escherichia coli [E. coli] A41.52 Sepsis due to Pseudomonas A41.53 Sepsis due to Serratia A41.54 Sepsis due to Acinetobacter baumannii
Additional references
AHA Coding Clinic® Licence required

Official coding advice for this code. Published by the American Hospital Association. Not included in this installation.

Risk adjustment

CMS22HCC2 CMS28HCC2 ESRD21HCC2 ESRD24HCC2

Presence is a property of the code. Untick a model to hide it everywhere.

This code

Billable
yes
Code set
FY2026
Parent
A41.5
Block
A30-A49
Siblings
5

Present FY2024–FY2027.