Patient & Visitor Alert: Because flu cases are on the rise, starting February 24, children 12 and younger
will be restricted from visiting hospitals and certain inpatient facilities throughout Carolinas HealthCare System. Learn more.

Carolinas HealthCare System
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FAQs for Molecular Pathology

Why are PPT samples required for viral load tests?
Results from viral load tests are only accurate if the patient sample is submitted in the proper PPT type of vacutainer, spun to separate the plasma and processed in a timely manner.