A complete blood count (CBC) is a blood test that gives important information about your blood cells, especially red blood cells, white blood cells, and platelets.
A CBC may be done as part of a regular physical examination. There are many other reasons that a doctor may want this blood test, including to:
You do not need to do anything before having this test.
The health professional taking a sample of your blood will:
If this blood test is done on a baby, a heel stick may be done instead of a blood draw from a vein.
Follow-up care is a key part of your treatment and safety. Be sure to make and go to all appointments, and call your doctor or nurse call line if you are having problems. It's also a good idea to keep a list of the medicines you take. Ask your doctor when you can expect to have your test results.
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Current as of: October 14, 2016
Adam Husney, MD - Family Medicine
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