Admin Table of Contents
What color tube do you use for TSH blood test?
Processing Instructions: Plasma is preferred specimen type. Green Tube/Plasma: Centrifuge after collection. Gold Tube/Serum: Allow blood to clot for 30 minutes in a vertical position and centrifuge within 2 hours.
How do you take a thyroid blood test?
During the test In a doctor’s office or lab, the blood sample for a thyroid panel will be taken by inserting a needle into a vein in your arm. A tourniquet may be used on your upper arm, and the puncture site will be disinfected before the blood is drawn.
How do you check thyroid levels?
A blood test measuring your hormone levels is the only accurate way to find out whether there’s a problem. The test, called a thyroid function test, looks at levels of thyroid-stimulating hormone (TSH) and thyroxine (T4) in the blood. Doctors may refer to this as “free” T4 (FT4).
What color lab tube for a TSH?
A TSH test is often performed to determine the underlying cause of abnormal thyroid hormone levels. It’s also used to screen for an underactive or overactive thyroid gland. By measuring the level of TSH in the blood, your doctor can determine how well the thyroid is working.
What color tube is used for a thyroid function test?
For thyroid function tests, you use an SST (serum separator tube). It depends on the lab as to which is the SST tube. It is usually either gold or red/black. Here is an example of a key for tubes used in the UK: http://www.uhb.nhs.uk/GpSpecimenGuides/SpecimenContainerColourKey.htm Again, the key is to use an SST tube…not the color but an SST tube.
What do different colors for tubes of blood mean?
The order of draw is as follows: Yellow: Blood cultures – this preserves microorganisms within the blood. Light Blue: Light blue tubes are also called coagulation tubes. Plain Red: The most common color for venipuncture. Plastic Red: This is a clot activator, separating the serum of the blood and causing actual blood clots to occur.
What color tube is used for the bilirubin test?
It is ordered in conjunction with the management of anticoagulant therapy, to evaluate the extrinsic pathway, and to moniter coumadin therapy. Tube Color: Blue Top . PT (Prothrombin Time) Is used primarily to detect disorders of blood lipids and to evaluate the risk potential for artherosclerosis.