FY2027 ICD-10-CM reference
A41: Other sepsis
By the HCC Buddy Coding Team
The official ICD-10-CM descriptor is Other sepsis. The FY2027 annual edition starts October 1, 2026. Check the edition that applies to the encounter or inpatient discharge, including any April update.
Nonbillable heading. Verified against the official FY2027 order file.
Oct to Dec 2026, PY2027
CMS-HCC V28
Not applicableCMS-HCC V24
Not applicableESRD
Not applicableRxHCC
Not applicablePACE (CMS-HCC V22 component)
Not applicablePACE ESRD (ESRD V21 component)
Not applicablePACE RxHCC (2018/2019 component)
Not applicableJan to Sep 2027, PY2028
CMS-HCC V28
Not applicableCMS-HCC V24
Not applicableESRD
Not applicableRxHCC
Not applicablePACE (CMS-HCC V22 component)
Not applicablePACE ESRD (ESRD V21 component)
Not applicablePACE RxHCC component
Not applicableOct to Dec 2026, BY2026
HHS-HCC
Not applicableJan to Sep 2027, BY2027
HHS-HCC
Not applicableMore specific FY2027 codes
- A41.0: Sepsis due to Staphylococcus aureusNonbillable heading
- A41.1: Sepsis due to other specified staphylococcusBillable code
- A41.2: Sepsis due to unspecified staphylococcusBillable code
- A41.3: Sepsis due to Hemophilus influenzaeBillable code
- A41.4: Sepsis due to anaerobesBillable code
- A41.5: Sepsis due to other Gram-negative organismsNonbillable heading
- A41.8: Other specified sepsisNonbillable heading
- A41.9: Sepsis, unspecified organismBillable code
FY2027 Tabular instructions
Instructions below include applicable chapter, section and parent-code notes. Each note identifies where it appears in the official source.
Includes
diseases generally recognized as communicable or transmissible
Source: A00-B99 (chapter, inherited).
Instructional note
code to identify resistance to antimicrobial drugs (Z16.-)
Source: A00-B99 (chapter, inherited).
Excludes2
carrier or suspected carrier of infectious disease (Z22.-)
Source: A00-B99 (chapter, inherited).
Excludes2
certain localized infections - see body system-related chapters
Source: A00-B99 (chapter, inherited).
Excludes2
infectious and parasitic diseases complicating pregnancy, childbirth and the puerperium (O98.-)
Source: A00-B99 (chapter, inherited).
Excludes2
infectious and parasitic diseases specific to the perinatal period (P35-P39)
Source: A00-B99 (chapter, inherited).
Excludes2
influenza and other acute respiratory infections (J00-J22)
Source: A00-B99 (chapter, inherited).
Code first
, if applicable, postprocedural sepsis (T81.44-)
Source: A41 (category, direct).
Code first
sepsis due to central venous catheter (T80.211-)
Source: A41 (category, direct).
Code first
sepsis during labor (O75.3)
Source: A41 (category, direct).
Code first
sepsis following abortion, ectopic or molar pregnancy (O03.37, O03.87, O04.87, O07.37, O08.82)
Source: A41 (category, direct).
Code first
sepsis following immunization (T88.0-)
Source: A41 (category, direct).
Code first
sepsis following infusion, transfusion or therapeutic injection (T80.22-, T80.29-)
Source: A41 (category, direct).
Excludes1
bacteremia NOS (R78.81)
Source: A41 (category, direct).
Excludes1
neonatal (P36.-)
Source: A41 (category, direct).
Excludes1
puerperal sepsis (O85)
Source: A41 (category, direct).
Excludes1
streptococcal sepsis (A40.-)
Source: A41 (category, direct).
Excludes2
sepsis (due to) (in) actinomycotic (A42.7)
Source: A41 (category, direct).
Excludes2
sepsis (due to) (in) anthrax (A22.7)
Source: A41 (category, direct).
Excludes2
sepsis (due to) (in) candidal (B37.7)
Source: A41 (category, direct).
Excludes2
sepsis (due to) (in) Erysipelothrix (A26.7)
Source: A41 (category, direct).
Excludes2
sepsis (due to) (in) extraintestinal yersiniosis (A28.2)
Source: A41 (category, direct).
Excludes2
sepsis (due to) (in) gonococcal (A54.86)
Source: A41 (category, direct).
Excludes2
sepsis (due to) (in) herpesviral (B00.7)
Source: A41 (category, direct).
Excludes2
sepsis (due to) (in) listerial (A32.7)
Source: A41 (category, direct).
Excludes2
sepsis (due to) (in) melioidosis (A24.1)
Source: A41 (category, direct).
Excludes2
sepsis (due to) (in) meningococcal (A39.2-A39.4)
Source: A41 (category, direct).
Excludes2
sepsis (due to) (in) plague (A20.7)
Source: A41 (category, direct).
Excludes2
sepsis (due to) (in) tularemia (A21.7)
Source: A41 (category, direct).
Excludes2
toxic shock syndrome (A48.3)
Source: A41 (category, direct).
Compare the FY2027 additions, removals and billable-status changes
What does A41 mean in FY2027?
The official ICD-10-CM descriptor is Other sepsis. The FY2027 annual edition starts October 1, 2026. Check the edition that applies to the encounter or inpatient discharge, including any April update.
Is A41 billable in FY2027?
The FY2027 order file marks A41 as a nonbillable heading. Select a complete billable child code.
Does A41 map to an HCC?
Risk-model mapping is not applicable to this nonbillable heading. Check a complete billable child code.
Source: CMS FY2027 ICD-10-CM order file. Payment model: CMS CY 2027 Rate Announcement. Read the FY2027 Official Guidelines.
Review the FY2026 April edition