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v1.0.0
ICD-10 Guide
DiagnosesMrsa Bacteremia

Mrsa Bacteremia

ICD-10 Coding for MRSA Bacteremia(A41.02, R78.81, A49.02)

PRIMARY SPECIALTYInfectious Disease
COMPLEXITYHigh
LAST UPDATED09/15/2025
Sam Tuffun, PT, DPT
Physical Therapist | Medical Coding & Billing Contributor

Diagnosis Overview

What is Mrsa Bacteremia?
Essential facts and insights about MRSA Bacteremia

Key Clinical Considerations:

  • Fever, chills, and hypotension
  • Positive blood cultures for MRSA
  • Skin or soft tissue infection signs

Clinical Information

Clinical Criteria & Documentation Requirements

  • Patient history of MRSA or recent hospitalization
  • Use of specific terms like 'bacteremia' and 'MRSA'
  • Examples: 'Patient presents with MRSA bacteremia confirmed by blood culture.'

Coding Guidelines

Usage Guidelines & Examples

  • Follow guidelines for bacteremia coding; ensure specificity to MRSA.
  • Common errors include using non-specific codes or omitting culture results.

Code Exclusions

Important Exclusions

  • Non-MRSA Staphylococcus infections
  • Other types of bacteremia

Related ICD-10 Codes

Primary Codes
A49.02
Methicillin resistant Staphylococcus aureus infection, unspecified site
A41.02
Septicemia due to methicillin resistant Staphylococcus aureus
Ancillary Codes
B95.62
R78.81
is used.
Differential Codes
A41.9
A41.02
when MRSA is confirmed as the causative organism.
A41.02
A41.02
if sepsis criteria are met.

Related CPT Codes

CPT codes will be available in a future update.

Specialty Focus

Primary Specialty

Infectious Disease

Specialty Applications

  • Immunocompromised patients, hospitalized patients
  • Infectious disease clinics, emergency departments

Coding Complexity

High Complexity

This diagnosis requires careful attention to:

  • Comprehensive clinical documentation
  • Accurate code selection based on clinical criteria
  • Proper exclusion considerations
  • Specialty-specific coding guidelines

Documentation

Documentation Templates

Billing Information

Billing Considerations

  • Ensure proper documentation for billing
  • Verify code specificity requirements
  • Check for any additional codes needed
  • Review payer-specific guidelines

Common Issues

  • Insufficient clinical documentation
  • Incorrect code selection
  • Missing supporting diagnoses
  • Timing and frequency documentation

Frequently Asked Questions

Documentation requirements?

Document the presence of MRSA, clinical symptoms, and positive cultures.

Billing considerations?

Ensure accurate coding to reflect the severity and specificity of the infection.