Test Details
Mnemonic
COVW
Ordering Code
3000089
CPT-4 Code(s)
87635
Specimen Information
Please contact Warde Client Services for allocated sample volume for your Laboratory and test build information.
Collect
Nasopharyngeal swab
Specimen Preparation
One nasopharyngeal swab sent frozen in 3.0 mL viral transport media.
Alternate Specimen
One oropharyngeal swab or NP/OP sent frozen in viral transport media.
Nasal swab sent frozen in viral transport media.
Our internal studies show that Phosphate Buffered Saline (PBS) and sterile saline do
not interfere with the analytical performance of the COVID-19 assay. Liquid Amies
buffer may decrease the analytical sensitivity of the assay and should be used only
when other transport media are not available.
Nasal swab sent frozen in viral transport media.
Our internal studies show that Phosphate Buffered Saline (PBS) and sterile saline do
not interfere with the analytical performance of the COVID-19 assay. Liquid Amies
buffer may decrease the analytical sensitivity of the assay and should be used only
when other transport media are not available.
Minimum Volume
1.0 mL minimum
Transport Temperature
Frozen
Rejection Criteria
Calcium Alginate swabs, cotton swabs with wood shaft, received room temperature or >72 hours
Stability
Room temperature: Not Recommended
Refrigerated: 72 hours
Frozen: 2 weeks
Refrigerated: 72 hours
Frozen: 2 weeks
Methodology
Real-Time Polymerase Chain Reaction (PCR)
Reference Range
Not detected
Performing Laboratory
Warde Medical Laboratory