What Color Tube Is A CBC Test?


The following tests may be drawn in the same LAVENDER (PURPLE) top tube: CBC, SED RATE (ESR), RETICULOCYTE Draw an extra LAVENDER for each (GLYCOHEMOGLOBIN and BNP). 9. GLUCOSE is always drawn in a GRAY top tube. No additional test may be drawn with this tube.

How do you draw blood on a CBC?

How Is a CBC Done?

  1. clean the skin.
  2. put an elastic band (tourniquet) above the area to get the veins to swell with blood.
  3. insert a needle into a vein (usually in the arm inside of the elbow or on the back of the hand)
  4. pull the blood sample into a vial or syringe.
  5. take off the elastic band and remove the needle from the vein.

Why would you draw a CBC?

A complete blood count (CBC) is a blood test used to evaluate your overall health and detect a wide range of disorders, including anemia, infection and leukemia. A complete blood count test measures several components and features of your blood, including: Red blood cells, which carry oxygen.

What diseases can a CBC detect?

What diseases can a CBC detect?

  • Anemia of various etiologies.
  • Autoimmune disorders.
  • Bone marrow disorders.
  • Dehydration.
  • Infections.
  • Inflammation.
  • Hemoglobin abnormalities.
  • Leukemia.

What color blood tube is used for CMP?

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.

What color tube is used for potassium test?

Red-top tube, gel-barrier tube, or green-top (lithium heparin) tube. Do not use oxalate, EDTA, or citrate plasma.

What color tube is used for lipid panel?

Red-top tube, gel-barrier tube, or green-top (lithium heparin) tube. Do not use oxalate, EDTA, or citrate plasma.

What does CBC Without differential mean?

A CBC measures, counts, evaluates and studies many aspects of your blood: CBC without differential counts the total number of white blood cells. CBC with differential. There are five kinds of white blood cells. The differential looks at how many of each kind of white blood cell you have.

What are blasts called on CBC?

A CBC test can find leukemic blood cells, which are called blasts.

What’s the difference between CBC and CBC with diff?

A CBC test measures the total number of white cells in your blood. A test called a CBC with differential also measures the number of each type of these white blood cells. Platelets, which help your blood to clot and stop bleeding.


What is the lab test name for potassium?

A potassium blood test is often included in a series of routine blood tests called an electrolyte panel. The test may also be used to monitor or diagnose conditions related to abnormal potassium levels.

What is the order of draw for a CBC?

The draw order for specimen tubes is as follows:

  • Blood culture.
  • Blue tube for coagulation (Sodium Citrate)
  • Red No Gel.
  • Gold SST (Plain tube w/gel and clot activator additive)
  • Green and Dark Green (Heparin, with and without gel)
  • Lavender (EDTA)
  • Pink – Blood Bank (EDTA)
  • Gray (Oxalate/Fluoride)

How do you draw a CBC and CMP?

In review if you are to drawing a CBC, CMP and PT/INR for your patient, you would draw a blue tube first (PT/INR), followed by a tiger or gold top (CMP), followed by lavender top (CMP).

What indicates bacterial infection on CBC?

When a person has a bacterial infection, the number of white cells rises very quickly. The number of white blood cells is sometimes used to find an infection or to see how the body is dealing with cancer treatment. White blood cell types (WBC differential).

What cancers can a CBC detect?

CBC tests are performed during cancer diagnosis, particularly for leukemia and lymphoma, and throughout treatment to monitor results. CBC tests can also: Indicate whether cancer has spread to bone marrow. Detect potential kidney cancer through an elevated red blood cell count.

Will CBC show bacterial infection?

A simple and very informative test is the white blood cell “differential”, which is run as part of a Complete Blood Count. The white blood cell “differential” will usually tell you whether you have a bacterial infection or a viral infection.

Does a CBC show liver problems?

Your doctor can use the results of these tests to give you a Model for End-Stage Liver Disease (MELD) score. This shows how much your liver has been damaged, and whether you need a liver transplant. Other blood tests your doctor might order include: A complete blood count (CBC).

Can a CBC detect heart problems?

Another part of a CBC test is the mean corpuscular volume, which is a measure of the average size of your red blood cells. Specific blood tests can be performed to detect problems with your heart, lungs, or blood vessels.