ICD-10-CM
ICD-10 code for Sepsis: A41.9
The ICD-10-CM index points "Sepsis" to A41.9, Sepsis, unspecified organism. A41.9 is a billable code.
Source: CDC ICD-10-CM FY2027 Alphabetic Index file dated June 16, 2026. Publisher page
Run it in Rivvi
Check every code on your export
Upload a claims or problem-list export. Rivvi flags codes that are not billable, replaced, or unspecified when a specific code exists.
Check my exportFree to start. Opens Rivvi, the AI workspace for healthcare teams.
Index subterms
A header groups codes and is not billed. A billable code is one you can report.
- A41.54Acinetobacter baumannii, Sepsis due to Acinetobacter baumanniiBillable
- A42.7actinomycotic, Actinomycotic sepsisBillable
- A39.1adrenal hemorrhage syndrome (meningococcal), Waterhouse-Friderichsen syndromeBillable
- A41.4anaerobic, Sepsis due to anaerobesBillable
- A22.7Bacillus anthracis, Anthrax sepsisBillable
- A23.9Brucella, Brucellosis, unspecifiedBillable
- B37.7candidal, Candidal sepsisBillable
- A41.59Cronobacter, Other Gram-negative sepsisBillable
- A41.9cryptogenic, Sepsis, unspecified organismBillable
- T85.79due to device, implant or graft, Infection and inflammatory reaction due to other internal prosthetic devices, implants and graftsHeader
- O75.3during labor, Other infection during laborBillable
- A41.81Enterococcus, Sepsis due to EnterococcusBillable
- A26.7Erysipelothrix (rhusiopathiae) (erysipeloid), Erysipelothrix sepsisBillable
- A41.51Escherichia coli (E. coli), Sepsis due to Escherichia coli [E. coli]Billable
- A28.2extraintestinal yersiniosisBillable
- A41.9gangrenous, Sepsis, unspecified organismBillable
- A54.86gonococcal, Gonococcal sepsisBillable
- A41.50Gram-negative (organism), Gram-negative sepsis, unspecifiedBillable
- A41.3Haemophilus influenzae, Sepsis due to Hemophilus influenzaeBillable
- B00.7herpesviral, Disseminated herpesviral diseaseBillable
- K65.1intra-abdominal, Peritoneal abscessBillable
- A32.7Listeria monocytogenes, Listerial sepsisBillable
- A24.0malleus, GlandersBillable
- A24.1melioidosis, Acute and fulminating melioidosisBillable
- A39.4meningococcal, Meningococcemia, unspecifiedBillable
- A41.02MRSA (Methicillin resistant Staphylococcus aureus), Sepsis due to Methicillin resistant Staphylococcus aureusBillable
- A41.01MSSA (Methicillin susceptible Staphylococcus aureus), Sepsis due to Methicillin susceptible Staphylococcus aureusBillable
- P36.9newborn, Bacterial sepsis of newborn, unspecifiedBillable
- A41.59other gram-negative, Other Gram-negative sepsisBillable
- A28.0Pasteurella multocida, PasteurellosisBillable
- O85pelvic, puerperal, postpartum, childbirth, Puerperal sepsisBillable
- T81.44postprocedural, Sepsis following a procedureHeader
- A40.3pneumococcal, Sepsis due to Streptococcus pneumoniaeBillable
- A41.52Pseudomonas (pseudomonas aeruginosa), Sepsis due to PseudomonasBillable
- O85puerperal, postpartum, childbirth (pelvic), Puerperal sepsisBillable
- A02.1Salmonella (arizonae) (cholerae-suis) (enteritidis) (typhimurium), Salmonella sepsisBillable
- A41.53Serratia, Sepsis due to SerratiaBillable
- R65.20severe, Severe sepsis without septic shockBillable
- A03.9Shigella, Shigellosis, unspecifiedBillable
- A41.89specified organism NEC, Other specified sepsisBillable
More specific codes in A41
A header groups codes and is not billed. A billable code is one you can report.
- A41Other sepsisHeader
- A41.0Sepsis due to Staphylococcus aureusHeader
- A41.01Sepsis due to Methicillin susceptible Staphylococcus aureusBillable
- A41.02Sepsis due to Methicillin resistant Staphylococcus aureusBillable
- A41.1Sepsis due to other specified staphylococcusBillable
- A41.2Sepsis due to unspecified staphylococcusBillable
- A41.3Sepsis due to Hemophilus influenzaeBillable
- A41.4Sepsis due to anaerobesBillable
- A41.5Sepsis due to other Gram-negative organismsHeader
- A41.50Gram-negative sepsis, unspecifiedBillable
- A41.51Sepsis due to Escherichia coli [E. coli]Billable
- A41.52Sepsis due to PseudomonasBillable
- A41.53Sepsis due to SerratiaBillable
- A41.54Sepsis due to Acinetobacter baumanniiBillable
- A41.59Other Gram-negative sepsisBillable
- A41.8Other specified sepsisHeader
- A41.81Sepsis due to EnterococcusBillable
- A41.89Other specified sepsisBillable
- A41.9Sepsis, unspecified organismBillable
Code first
The CDC tabular list says to report the code named here before this one.
From A41. A note on a category applies to every code under it.
Code first, if applicable, postprocedural sepsis (T81.44-)
Code first sepsis due to central venous catheter (T80.211-)
Code first sepsis during labor (O75.3)
Code first sepsis following abortion, ectopic or molar pregnancy (O03.37, O03.87, O04.87, O07.37, O08.82)
Code first sepsis following immunization (T88.0-)
Code first sepsis following infusion, transfusion or therapeutic injection (T80.22-, T80.29-)
Excludes1
Excludes1 means these codes are not reported together.
From A41. A note on a category applies to every code under it.
Excludes2
Excludes2 means the other condition can be reported with this one when both are documented.
From A41. A note on a category applies to every code under it.
- A42.7Sepsis (due to) (in) actinomycotic
- A22.7Sepsis (due to) (in) anthrax
- B37.7Sepsis (due to) (in) candidal
- A26.7Sepsis (due to) (in) Erysipelothrix
- A28.2Sepsis (due to) (in) extraintestinal yersiniosis
- A54.86Sepsis (due to) (in) gonococcal
- B00.7Sepsis (due to) (in) herpesviral
- A32.7Sepsis (due to) (in) listerial
- A24.1Sepsis (due to) (in) melioidosis
- A39.2-A39.4Sepsis (due to) (in) meningococcal
- A20.7Sepsis (due to) (in) plague
- A21.7Sepsis (due to) (in) tularemia
- A48.3Toxic shock syndrome
Related conditions
Related pages
- A41.9 code detailsNotes, nearby codes, CMS-HCC group
- Category A41Every code under it
- Chapter 1Certain infectious and parasitic diseases
- ICD-10 codes by conditionA to Z
- Check a list of ICD-10 codes
- Denial code CO-11Diagnosis does not support the procedure
- Denial code CO-146Diagnosis invalid for the date of service
- HCPCS Level II code lookup
Questions
What is the ICD-10 code for Sepsis?
The ICD-10-CM index points "Sepsis" to A41.9, Sepsis, unspecified organism. A41.9 is a billable code.
Is A41.9 billable?
Yes. A41.9 is a billable code in the FY2027 ICD-10-CM file. Use a more specific code when the record documents one.
What documentation notes apply to A41.9?
The CDC tabular list gives 4 Excludes1 notes (not coded together), 13 Excludes2 notes (may be coded together when both are documented) for A41.9 and the categories above it. They are listed on this page.
What chapter is A41.9 in?
Chapter 1. Certain infectious and parasitic diseases.
When do ICD-10-CM codes change?
Every October 1, with the new fiscal year file. Some years add April 1 updates. This page uses the FY2027 file, effective October 1, 2026.