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Recommendations when to order or not order the test. May include related or preferred tests.
Aids in assessing for MRSA in patients presenting with pneumonia. Test has a high negative predictive value.
New York DOH Approval Status
Indicates test has been approved by the New York State Department of Health.
This test is New York state approved.
Specimen Required
Patient PreparationInstructions patient must follow before/during specimen collection.
CollectSpecimen type to collect. May include collection media, tubes, kits, etc.
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.
Specimen PreparationInstructions for specimen prep before/after collection and prior to transport.
Place specimen in an individually sealed bag.
Storage/Transport TemperaturePreferred temperatures for storage prior to and during shipping to ARUP. See Stability for additional info.
Refrigerated
Unacceptable ConditionsCommon conditions under which a specimen will be rejected.
Specimen types other than those listed. Rayon swabs.
RemarksAdditional specimen collection, transport, or test submission information.
Specimen source required.
StabilityAcceptable times/temperatures for specimens. Times include storage and transport time to ARUP.
Expected turnaround time for a result, beginning when ARUP has received the specimen.
1-2 days
Reference Interval
Normal range/expected value(s) for a specific disease state. May also include abnormal ranges.
Not Detected
Interpretive Data
May include disease information, patient result explanation, recommendations, or details of testing.
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.
Compliance Category
FDA
Note
Additional information related to the test.
The Xpert MRSA NxG test performance has not been evaluated in patients less than two years of age.
Hotline History
N/A
CPT Codes
The American Medical Association Current Procedural Terminology (CPT) codes published in ARUP's Laboratory Test Directory are provided for informational purposes only. The codes reflect our interpretation of CPT coding requirements based upon AMA guidelines published annually. CPT codes are provided only as guidance to assist clients with billing. ARUP strongly recommends that clients confirm CPT codes with their Medicare administrative contractor, as requirements may differ. CPT coding is the sole responsibility of the billing party. ARUP Laboratories assumes no responsibility for billing errors due to reliance on the CPT codes published.
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, please click the sidebar link to access the Interface Map.
Aliases
Other names that describe the test. Synonyms.
Methicillin Resistant Staphylococcus aureus (MRSA) by PCR, Nasal
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