Assist in assessing for MRSA in patients presenting with pneumonia. High negative predictive value.
Qualitative Polymerase Chain Reaction
Within 48 hours
Nasal specimen from ESwab (ARUP supply #45877) available online through eSupply using ARUP Connect or contact ARUP Client Services at (800) 522-2787. Collect the nasal specimen by sampling both nares one at a time with the same ESwab.
Transfer Eswab to an ARUP Standard Transport Tube containing Liquid Amies Transport Medium. Place specimen in an individually sealed bag.
Specimen types other than those listed. Rayon swabs.
Specimen source required.
Ambient: 24 hours; Refrigerated: 1 week; Frozen: Unacceptable
Negative nasal MRSA PCR has a high negative predictive value for MRSA pneumonia. Consider stopping Vancomycin if no other clinical indication. Contact Antimicrobial Stewardship or Infectious Diseases for further recommendations.
The Xpert MRSA NxG test performance has not been evaluated in patients less than two years of age.
|Component Test Code*||Component Chart Name||LOINC|
|3002033||MRSA Detection by PCR||72887-3|