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.

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

Methodology

Real-Time Polymerase Chain Reaction (PCR)
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Reference Range

Not detected
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Performing Laboratory

Warde Medical Laboratory
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