What is the blue tube used for in phlebotomy?

What is the blue tube used for in phlebotomy?

What is the blue tube used for in phlebotomy?

coagulation testing
Blue top tube with 3.2% sodium citrate: used for coagulation testing and other plasma or whole blood determinations. If only a coagulation specimen is being drawn, draw 1-2 mL into another blue top (3.2% sodium citrate) tube, discard, and then collect the specimen.

When do we use the royal blue topped tube?

Royal blue-top tube There are two types of royal blue-top Monoject® tubes – one with the anticoagulant EDTA and the other plain. These are used in the collection of whole blood or serum for trace element analysis.

What is a blue top tube called?

Order goes from left to right in order of collection starting with Bacterial Culture

Blood Tubes Abbreviation
Royal Blue-top tube (O)
Royal Blue-top, EDTA (O)
Royal Blue-top, Heparin (O)
Serum Separator tube (SE)

How often can you invert your tubes?

Gently invert the gel-barrier tube five times to mix the clot activator and blood. Place the collection tube in the upright position in the rack, and allow the blood to clot at room temperature for 30 to 60 minutes. (Minimum clotting time is 30 minutes for patients with an intact clotting process.)

What test is collected in a light blue top tube?

Sodium Citrate Tubes/Coagulation (Light Blue Top)

  • Light Blue top tubes contain the anticoagulant buffered sodium citrate.
  • Centrifugation provides plasma used for coagulation tests.
  • Gently invert the tube 3 to 4 times immediately after collection.

What additive is in the royal blue tube?


Royal Blue No additive (serum); special glass and stopper material 7.0 mL
Red No additive 7.0 mL
Light Blue 3.2% Sodium Citrate 4.5 mL
Gold Top (Serum Separator, “SST”) Contains separating gel and clot activator 6.0 mL

What test is a light blue top sodium citrate tube used for?

A light-blue top tube (containing 3.2% sodium citrate) that will be used for coagulation testing must be filled to completion.

What is a blue top blood test?

Blue top tube – Sodium Citrate (NaCitrate) This tube is primarily used for coagulation studies (PT and PTT). Complete filing of this tube is essential to obtain accurate results.

What tests should be collected in royal blue top tube?

Capillary tubes – Used for whole blood tests and/or point of care testing (blood gasses). 2. Blue top – Tube contains sodium Citrate. CANNOT be collected via capillary collection method; tube MUST contain venous blood only.

When is a divert tube used?

A diversion tube is used to collect and waste the initial volume of blood.

  1. User-Controlled.
  2. A manual mechanism is required to prevent the initial volume from reaching the blood culture bottle.

What is the order of draw and why is it important to know?

Order of draw is essential in avoiding cross contamination from additives of one tube to the next. Cross contamination, depending on the tests ordered, could cause seriously erroneous results, improper patient treatment and possibly death.

What is the importance of order of draw?

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.

What is the yellow top blood test for?

The yellow blood bottle can be used to test for a wide variety of bacterial, viral, fungal and parasitic infections including HIV and viral hepatitis.