ICD-10-CM 2027
ICD-10 code for sepsis mssa
Sepsis due to Methicillin susceptible Staphylococcus aureus
From the official ICD-10-CM alphabetic index entry “MSSA (Methicillin susceptible Staphylococcus aureus) › sepsis”. Page updated September 29, 2026.
About coding sepsis mssa
The ICD-10-CM code for sepsis mssa is A41.01 (Sepsis due to Methicillin susceptible Staphylococcus aureus).
Within A41.0 (sepsis due to Staphylococcus aureus), A41.01 is specifically for sepsis due to Methicillin susceptible Staphylococcus aureus. Related codes cover resistant Staphylococcus aureus (A41.02).
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) and 2 more.
As a secondary diagnosis it is an MCC (major complication or comorbidity), which can move an inpatient stay into the highest-paying "with MCC" MS-DRG of its family, unless the principal diagnosis excludes it.
Common questions about sepsis mssa ICD-10 codes
What is the ICD-10 code for sepsis mssa?
- A41.01 — Sepsis due to Methicillin susceptible Staphylococcus aureus.
Is A41.01 billable?
- Yes. A41.01 is a billable/specific ICD-10-CM code valid for FY2027 (October 1, 2026 – September 30, 2027).
Can A41.01 be used as a principal diagnosis?
- Yes. The Medicare Code Editor doesn't restrict A41.01 as a principal diagnosis.
Is A41.01 a CC or MCC?
- A41.01 is an MCC (major complication or comorbidity) under MS-DRG v44.0, unless excluded by the principal diagnosis.