A Short Draw With A Sodium Citrate Tube Will. The simple answer to your question is that since perhaps no one used expired bd 3.2% sodium citrated tubes to measure fibrinogen, no body knows. Order of draw blood collection tubes must be filled in a specific order to avoid specimen contamination from the additive in the preceding tube.
Any citrate tube filled less than 90 percent of its stated volume will yield falsely lengthened It is surprising how many underfilled tubes yield normal results. Check the fill volume before ending venipuncture to ensure adequate volume.
Just Prior To Drawing The Blue Top Tube As The Last Tube, Draw 1Ml Into A Discard Blue Top Tube To Prevent Cross Contamination From The Additive Of Previously Drawn Tubes.
The mixing ratio is 1 part citrate to 9 parts blood. When drawing a sodium citrate tube, it is important to use specific protocols. This tube is certified to contain less than.01 µg/ml(ppm) lead.
• Light Blue Top Tube With White Ring (Short Draw Tube):
If it is abnormal, or if the patient is on anticoagulant therapy, it is recollected. Ctad tubes contain besides the buffered citrate + do not force blood into tube.
The 3.2% Citrate Is Truly More Forgiving Than The 3.8% That Was Used Many Years Ago.
Centrifuge the first aliquot tube. Calcium is essential for blood clotting. After collection, immediately invert tube several times to mix, to prevent coagulation
A Short Draw With A Sodium Citrate Tube Will Lead To:
Citrate is used as an anticoagulant for clotting tests because it is has a low. It is surprising how many underfilled tubes yield normal results. Coagulation tubes (blue top) are filled with a solution of sodium citrate which acts as an anticoagulant by chelating calcium.
Be Careful Not To Disturb The Platelet Layer.
Clear as glass with equal or better performance. Do not use sodium citrate (light blue top) tubes as discard tubes; Being wise stewards of your resources means planning for shortages like the one happening right now.