A49.02 – Methicillin resistant Staphylococcus aureus infection, unspecified site

ICD-10-CM 2027 diagnosis code · Other bacterial diseases

Billable code

ICD-10-CM code A49.02

Code: A49.02 (claims format: A4902)
Description: Methicillin resistant Staphylococcus aureus infection, unspecified site
Short description: Methicillin resis staph infection, unsp site
Billable: Yes – valid for HIPAA-covered transactions
Valid for: Dates of service October 1, 2026 – September 30, 2027 (FY2027)
Chapter: 1. Certain infectious and parasitic diseases (A00-B99)
Block: A30-A49 Other bacterial diseases
Parent codes: A49 › A49.0

Notes for A49.02

Applicable to:

Methicillin resistant Staphylococcus aureus (MRSA) infection

Notes inherited from parent codes

Instructional notes at a category or block level apply to every code below it.

A49 – Bacterial infection of unspecified site

Excludes1 (not coded here):

bacterial agents as the cause of diseases classified elsewhere (B95-B96)
meningococcal infection NOS (A39.9)
rickettsial infection NOS (A79.9)
spirochetal infection NOS (A69.9)

Excludes2 (not included here):

chlamydial infection NOS (A74.9)

Index terms for A49.02

Entries in the ICD-10-CM alphabetic index that lead to this code:

Related codes in A49.0

A49.01 – Methicillin susceptible Staphylococcus aureus infection, unspecified siteBillable

Frequently asked questions

What is ICD-10 code A49.02?

A49.02 is the ICD-10-CM code for methicillin resistant Staphylococcus aureus infection, unspecified site, in the block A30-A49 (Other bacterial diseases).

Is A49.02 a billable code?

Yes. A49.02 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.

What category does A49.02 belong to?

It belongs to category A49 – Bacterial infection of unspecified site.

Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.