A41.3 – Sepsis due to Hemophilus influenzae

ICD-10-CM 2027 diagnosis code · Other bacterial diseases

Billable code

ICD-10-CM code A41.3

Code: A41.3 (claims format: A413)
Description: Sepsis due to Hemophilus influenzae
Billable: Yes – valid for HIPAA-covered transactions
Valid for: Dates of service October 1, 2026 – September 30, 2027 (FY2027)
Chapter: 1. Certain infectious and parasitic diseases (A00-B99)
Block: A30-A49 Other bacterial diseases
Parent codes: A41

Notes inherited from parent codes

Instructional notes at a category or block level apply to every code below it.

A41 – Other sepsis

Excludes1 (not coded here):

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

Excludes2 (not included here):

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-)

Index terms for A41.3

Entries in the ICD-10-CM alphabetic index that lead to this code:

Related codes in A41

A41.0 – Sepsis due to Staphylococcus aureusHeader
A41.1 – Sepsis due to other specified staphylococcusBillable
A41.2 – Sepsis due to unspecified staphylococcusBillable
A41.4 – Sepsis due to anaerobesBillable
A41.5 – Sepsis due to other Gram-negative organismsHeader
A41.8 – Other specified sepsisHeader
A41.9 – Sepsis, unspecified organismBillable

Frequently asked questions

What is ICD-10 code A41.3?

A41.3 is the ICD-10-CM code for sepsis due to Hemophilus influenzae, in the block A30-A49 (Other bacterial diseases).

Is A41.3 a billable code?

Yes. A41.3 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.

What category does A41.3 belong to?

It belongs to category A41 – Other sepsis.

Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.