A49.01 ICD-10-CM Code: Methicillin susceptible Staphylococcus aureus infection, unspecified site
A clear reference for the official code description, hierarchy, and related coding information from the FY 2027 U.S. release.
Code definition
Official description
A49.01Methicillin susceptible Staphylococcus aureus infection, unspecified site
ICD-10-CM diagnosis code · United States clinical modification
Classification
Where A49.01 sits
- 1
Chapter 1
Certain infectious and parasitic diseases (A00-B99)
- 2
Section
Other bacterial diseases (A30-A49)
- 3
Category A49
Bacterial infection of unspecified site
- 4
Subcategory A49.0
Staphylococcal infection, unspecified site
- 5
Code A49.01
Methicillin susceptible Staphylococcus aureus infection, unspecified site
Documentation details
Notes for this code
Inclusion terms
- Methicillin susceptible Staphylococcus aureus (MSSA) infection
- Staphylococcus aureus infection NOS
Code first
No “code first” instruction is listed for A49.01.
Use additional code
No “use additional code” instruction is listed for A49.01.
Excludes1
Conditions that should not be reported together with this code.
No Excludes1 note is listed for A49.01.
Excludes2
Conditions not included here that may be reported separately when present.
No Excludes2 note is listed for A49.01.
Transparency
Source and release
This reference is generated from Vero’s ICD-10-CM description, hierarchy, and code-note dataset. The visible content and structured data share that source.
Review the CDC/NCHS ICD-10-CM sourceCode-specific guidance
Frequently asked questions
What does ICD-10-CM code A49.01 mean?
A49.01 is the FY 2027 U.S. ICD-10-CM code for “Methicillin susceptible Staphylococcus aureus infection, unspecified site.”
Is A49.01 a billable or specific ICD-10-CM code?
Yes. In the FY 2027 reference data used on this page, A49.01 has no child codes and is presented as a billable/specific code. Always confirm the active code set and payer requirements before use.
Where is A49.01 located in ICD-10-CM?
A49.01 is listed in Chapter 1, Certain infectious and parasitic diseases (A00-B99), within Other bacterial diseases (A30-A49) (A30–A49), under category A49, Bacterial infection of unspecified site and subcategory A49.0, Staphylococcal infection, unspecified site.
What coding notes are listed for A49.01?
Its listed inclusion terms are Methicillin susceptible Staphylococcus aureus (MSSA) infection; Staphylococcus aureus infection NOS. No code-first instruction is listed. No Excludes1 note is listed. No Excludes2 note is listed.
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