The GENETX laboratory Covid-19PCR test checks for presence or absence of Covid-19 in the patient. The Covid-19Panel tests nasopharyngeal swab specimens to check for Covid-19 infection.PCR-based testing remains the gold standard for the identification of infections in both symptomatic and asymptomatic individuals. GENETX laboratory provides high-quality clinical-grade RT-PCR testing that is compliant with the FDA’s in-effect policy guidance for COVID-19 testing performed by CLIA-certified laboratories.