This is known as the Order of Draw.
- Blood Culture Tubes or Vials.
- Coagulation Tubes (Blue-Top Tubes)
- Serum Tubes without Clot Activator or Gel (Red-Top tubes)
- Serum Tubes with Clot Activator or Gel (Gold or Tiger Top Tubes)
- Heparin Tubes (Green-Top Tubes)
- EDTA Tubes (Lavender-Top Tubes)
What is the correct order of draw for venipuncture?
ORDER OF DRAW If just a routine coagulation assay is the only test ordered, then a single light blue top tube may be drawn. If there is a concern regarding contamination by tissue fluids or thromboplastins, then one may draw a non-additive tube first, and then the light blue top tube.
What is the purpose of the order of draw poster?
This full-color poster, measuring 10″ x 22″ and laminated for protection and longevity, depicts the order in which blood collection tubes must be filled to prevent additive carryover from altering test results.
How do you remember the order of mnemonics?
By using the following mnemonic you’ll have an easier time remembering the proper order: Boys Love Roses; Girls Love Daisies, Lilacs, and Gardenias.
What tube should be drawn first?
NOTE: All tubes sterile. Standard order of draw: BLOOD CULTURES, royal blue, red, light blue, SST (Gold), green, tan, yellow, pink, pearl, lavender. If a coag tube (light blue) is the only tube or the first tube to be drawn, a 5 mL discard tube must be drawn first.
What does EDTA stand for in phlebotomy?
Ethylenediaminetetraacetic acid
A. EDTA stands for Ethylenediaminetetraacetic acid. EDTA functions by binding calcium in the blood and keeping the blood from clotting.
Why is order of draw important?
The order of draw is recommended for both glass and plastic venous collections tubes when drawing multiple specimens for medical laboratory testing during a single venipuncture. The purpose is to avoid possible test result error due to additive carryover. All additive tubes should be filled to their stated volumes.
How do you remember the order of a lab draw?
Some phlebotomist use a mnemonic to help them remember. Blog Market Lab shared some very humorous mnemonics, such as “Studious Boy’s Rarely Get Low Grades” referring to Sterile, Blue, Green, Lavender and Grey.
