Sodium Citrate Tubes are blood collection tubes that contain sodium citrate as an anticoagulant. These tubes are primarily used for coagulation tests, where the clotting ability of the blood is assessed. Sodium citrate works by binding to calcium ions, temporarily preventing blood clotting, which can later be reversed during laboratory testing.Sodium citrate tubes ensure accurate results in blood clotting tests, which are crucial for diagnosing bleeding disorders, monitoring anticoagulant therapy, and assessing overall coagulation function.