Sodium Citrate Tubes FAQ

 

 

What is the minimum volume of blood that should be collected into a KEMICO Vacutainer sodium citrate tube?

  • KEMICO tubes are designed to yield within ± 10% of the stated draw volume on the label of the additive tube throughout the entire shelf life. (CLSI guideline – Evacuated Tubes and Additives for Blood Specimen Collection-Fifth Edition H1-A5, 2003).

 

What are the recommended centrifuge speed and time for the sodium citrate tubes?

  • CLSI recommends that sodium citrate tubes be spun at 1500 RCF for 15 minutes to achieve platelet poor plasma (platelet count < 10, 000) and accurate coagulation test results.

 

What is the blood-to-additive ratio in the sodium citrate tubes?

  • The blood-to-additive ratio is 9 parts blood to 1 part sodium citrate.