🧪Specimen Types & Special Tests
Can blood be drawn for DNA tests?
Yes. Blood-based DNA testing using EDTA (lavender top) tubes is a standard collection type on our platform.
DNA tests requiring blood (as opposed to saliva) are common for clinical genetic panels, prenatal screening (cell-free DNA), hereditary cancer risk panels, and pharmacogenomic testing. EDTA tubes preserve nucleated cells, making them the standard for DNA extraction. Providers collect and ship per the ordering lab's instructions.
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