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A41.3

A41.3: Sepsis due to Hemophilus influenzae

Billable / specific codeICD-10-CM

A41.3 is a billable, specific ICD-10-CM code for sepsis due to hemophilus influenzae. It is valid for submission on a claim.

Check A41.3 with the rest of the claim: free scrubber

Excludes1 inherited from the categories above A41.3

A category’s note binds every code beneath it.

Written on A41: Other sepsis

  • bacteremia NOS (R78.81)
  • neonatal (P36.-)
  • puerperal sepsis (O85)
  • streptococcal sepsis (A40.-)

Excludes2 inherited from the categories above A41.3

Not part of this code, but both may be coded when both are present.

Written on A41: Other sepsis

  • 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)

Risk adjustment

A41.3 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. Look up the whole chart to see which of its HCCs the hierarchy would zero.

Medicare coverage

A41.3 is named in 14 Medicare coverage policies: 14 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.

  • A52868Billing and Coding: Transesophageal Echocardiography (TEE)
  • A56421Billing and Coding: CT of the Abdomen and Pelvis
  • A56505Billing and Coding: Transesophageal Echocardiography (TEE)
  • A56625Billing and Coding: Echocardiography

Alphabetic index entries that lead here

  • Sepsis›Haemophilus influenzae
  • Embolism›pyemic›Hemophilus influenzae
  • Infection, infected, infective›Hemophilus›generalized

The condition this code belongs to

Code history

Unchanged in every release from FY2024 to FY2027.

Other codes under A41

ICD-10-CMFY2027· effective October 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.