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Methicillin Resistant Staphylococcus aureus, PCR
Test Code17656
CPT Codes
87641
Preferred Specimen
Elution swab (Eswab)
Other Acceptable Specimens
Rayon (dual swab)
Instructions
When using the Ewab, collect the nasal specimen by sampling both nares one at a time with the same swab. Place the swab into the transport tube containing the Liquid Amies Transport Medium.
When using the dual rayon swabs, keep both swabs attached to the red cap at all times. Holding the swab cap with both swabs attached, sample each nare one at a time. Place the dual swab specimens into the transport tube containing the liquid stuart medium.
Transport Container
Transport swab
Transport Temperature
Refrigerated (cold packs)
Specimen Stability
Room temperature: 24 hours
Refrigerated: 7 days
Frozen: Unacceptable
Refrigerated: 7 days
Frozen: Unacceptable
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Non-validated specimen types • Wire swabs
Methodology
Polymerase Chain Reaction (PCR)
Setup Schedule
Set up: Mon-Sat; Report available: 1-3 days
Reference Range
Not detected
Clinical Significance
Rapid, direct detection of nasal colonization by MRSA. Aids in the prevention and control of MRSA infections in healthcare settings.
