Test Code MRSA SA MRSA/SA, NAAT

Additional Codes

LAB24325

Collection Method

Nares

Container

Double tipped red culturette swab

Acceptable Specimens

Double or single swab transport systems equivalent to those listed above with Liquid Stuart or Liquid Aimes medium.
Single swab transport systems meeting acceptable parameters may be used however a repeat collection will be required if repeat testing is indicated.

Minimum Volume

1 swab

Specimen Stability

Ambient	24 Hours
Refrigerated (4°C to 8°C)	5 Days
Frozen(-70°C to 0°C)	N/A

Reference or Target Ranges

Negative

Reportable Units

Positive or Negative

Critical Value

Not defined for this assay

Reasons for Rejection

Hemolysis Threshold	N/A
Icterus Threshold	N/A
Lipemia Threshold	N/A
Other	QNS, contaminated, improperly labled, improper specimen type

Performance Information

Days and Time Performed	24/7
Expected Turn Around Time	Stat: 1 hour Routine: 4 hours
Stat Availability	Yes
Performing Bench	CPH Microbiology
Methodology/Method Description	Cepheid GeneXpert

CPT Codes

87641; 87640

Last review/edit date

2025

Preferred Specimen

Cepheid Sample Collection Device (900-0370) – double breakaway swab in liquid Aimes.
Copan Transystem™ 139C - Double Regular Rayon Swab and Liquid Stuart Medium
Copan Transystem™ 138C Double Regular Rayon Swab and Liquid Amies