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Test Code CMRSA Culture, Methicillin-Resistant Staphylococcus aureus (MRSA)

Additional Codes

  • Expanse Test Name: MRSA Screen
  • Medinet Ref Code:CMRSA
  • OV Code:RM*CMRSA

Performing Laboratory

St. Lukes Hospital Laboratory

Methodology

CHROMagarTM for MRSA

Specimen Requirements

Specimen must arrive within 12 hours of collection.

 

1. Gently insert culture swab about 1 inch into nares. (Both right and left nare can be sampled.)
2. Rotate against nasal wall for 10 to 15 seconds and remove swab.
3. Return swab to transport tube. 
4. Label tube with patient’s name (first and last), date and actual time of collection, and type of specimen.
5. Maintain sterility and forward promptly.

Note:  1. If a source other than nares is requested for MRSA screen, order the most appropriate culture (eg, #WOUND “Culture, Wound, Anaerobic, Body Fluid”). Include a note to “screen for MRSA.”

2. Specimen source is required on request form for processing.

Reference Values

Negative

Day(s) Test Set Up

Monday through Sunday

Test Classification and CPT Coding

87071