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