BD Vacutainer® Serum tubes are used to obtain a serum sample. The tubes are available in plastic, a range of sizes and can be identified by a red cap. BD Vacutainer® Plus Serum tubes have the additive silica sprayed on the inner walls of the tube to accelerate the clotting process. The minimum recommended clotting time for serum tubes for patients without anticoagulant is 60 minutes.

• Mixing recommendation: serum tubes should be gently inverted 180° and back 5-6 times
• Centrifugation Instructions: ≤1300g for 10 minutes at 25°C room temperature