ICD-10-CM
ICD-10 code for MRSA: A49.02
The closest CDC title for "MRSA" is A49.02, Methicillin resistant Staphylococcus aureus infection, unspecified site. A49.02 is a billable code.
Source: CDC ICD-10-CM FY2027 order file dated June 16, 2026. Publisher page
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Codes under A49, then other CDC titles that name methicillin resistant staphylococcus aureus infection, unspecified site
A header groups codes and is not billed. A billable code is one you can report.
- A49Bacterial infection of unspecified siteHeader
- A49.0Staphylococcal infection, unspecified siteHeader
- A49.01Methicillin susceptible Staphylococcus aureus infection, unspecified siteBillable
- A49.02Methicillin resistant Staphylococcus aureus infection, unspecified siteBillable
- A49.1Streptococcal infection, unspecified siteBillable
- A49.2Hemophilus influenzae infection, unspecified siteBillable
- A49.3Mycoplasma infection, unspecified siteBillable
- A49.8Other bacterial infections of unspecified siteBillable
- A49.9Bacterial infection, unspecifiedBillable
Excludes1
Excludes1 means these codes are not reported together.
From A49. 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 A49. A note on a category applies to every code under it.
Related conditions
Related pages
- A49.02 code detailsNotes, nearby codes, CMS-HCC group
- Category A49Every 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 MRSA?
The closest CDC title for "MRSA" is A49.02, Methicillin resistant Staphylococcus aureus infection, unspecified site. A49.02 is a billable code.
Is A49.02 billable?
Yes. A49.02 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 A49.02?
The CDC tabular list gives 4 Excludes1 notes (not coded together), 1 Excludes2 note (may be coded together when both are documented) for A49.02 and the categories above it. They are listed on this page.
What chapter is A49.02 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.