For testing whole blood in the clinical laboratory
Interior of tube wall is coated with K2 EDTA to bind calcium ions and block the coagulation cascade. Erythrocytes, leukocytes and thrombocytes remain stable in EDTA anticoagulated blood for up to 24 hours
Can be used in direct sampling analyzers without actually being opened
Blood smearing should be done within three hours after blood collection
Clear as glass with equal or better performance
Molded to be virtually unbreakable, providing a better level of safety than glass
Tubes have an 18-month shelf life from the date of manufacture
Safety Twist Caps can be removed and replaced several times
Nonscrew Safety Pull Caps can be removed with a gentle pulling action