Feb 03, · A complete blood count (CBC) is a test that counts the cells that make up your blood: red blood cells, white blood cells, and platelets. Your doctor may order a . A complete blood count (CBC) is a blood test. It gives your provider information about your blood and overall health. CBCs help providers diagnose, monitor and screen for a wide range of diseases, conditions, disorders and infections. Your provider takes a sample of blood and your lab results are usually ready within a few days.
So, your physician has ordered a complete blood count test. A CBC test is the most common test what did renaissance writers write about each year. One in every eight people will get one. So take a what does the term of counsel mean. The test stands for complete blood count, which means the test will count the cells that inluded up your blood.
Your blood is made up of red blood cells, white blood cells, and platelets. Your doctor may order the test to check for things like:.
The test is simple. As long as it is the only test you are having that aa, you can eat and drink beforehand. The test takes a few minutes. A lab technician or nurse will take a sample of your blood by putting a needle into a vein in your arm. After the sample is collected, it will be sent cbd a lab to be analyzed. The test measures a variety of things to get an understanding of your overall health. Your results should come back with a column that is for your results and another for your reference range.
Your results should be within the reference range. Things like anemia or dehydration could sway your results. Each lab is different and things like your age, sex, and where you live can affect the reference range. Generally, your main ranges should be as what temperature sleeping bag should i buy :. Hematocrit and hemoglobin levels will ib show up on your results, and your physician will discuss all results with you.
Jn some cases, further testing is needed. Results out of the reference range may or may not require additional tests. For example, if you are a normal and healthy person with no other existing conditions and you have slightly out of range results, it is not likely that the doctor will order more tests. If however, you are undergoing treatment for something like cancer, your doctor will most likely order additional testing if your results are out of range. With the CBC explained for you, hopefully, you feel confident about your test.
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The test gets a lot of information from your blood sample: The number and types of white blood cells (WBCs). Your body has 5 types of white blood cells. All play a role in fighting infections.
A complete blood count CBC is a blood test. It helps healthcare providers detect a range of disorders and conditions. It also checks your blood for signs of medication side effects.
Providers use this test to screen for diseases and adjust treatments. A CBC measures and counts your blood cells. Your provider takes a sample of your blood and sends it to a lab. The lab does a series of tests to evaluate your blood cells.
These tests help your provider monitor your health. CBCs are an important part of a yearly physical exam. Providers also order CBCs to monitor the side effects of some prescription medications.
A CBC does many tests to measure and study red blood cells, white blood cells and platelets. Red blood cells carry oxygen throughout the body. White blood cells are part of your immune system.
They help your body fight infection. Platelets help your body clot. A CBC blood test can help your provider diagnose a wide range of conditions, disorders, diseases and infections, including:.
Your provider cleans your arm and inserts a needle. Through the needle, your provider removes a sample of your blood and collects it in a tube. Sometimes, your provider takes more than one tube of blood. After drawing blood, your provider removes the needle and places a bandage on your arm. Your provider sends the blood to a lab. Your body quickly rebuilds its blood supply. Your arm may be a little sore for a few hours.
You may develop a small bruise where your provider inserted the needle. A CBC gives your provider a picture of your overall health. Using a small amount of blood, a CBC can help detect hundreds of conditions, disorders and infections. It allows your provider to monitor your health, screen for disease and plan and adjust treatment.
A CBC is a safe, common test. There are no risks involved, and your provider only removes a small amount of blood. Rarely, some people feel a little faint or lightheaded after a CBC.
Results are usually ready within a few days. Sometimes it only takes 24 hours to get results. Your provider will contact you to explain the results and discuss next steps.
If your blood cell counts are outside of the normal range, your provider may order follow-up tests. Your provider will review the results of your CBC with you. If you have questions about the results, call your provider. Healthcare providers use complete blood counts to manage disease and help you stay healthy.
With one sample of blood, CBCs can help screen for hundreds of disorders, conditions and infections. A CBC can detect conditions early, sometimes before you have symptoms, so treatment can start as soon as possible. CBCs are an essential tool in maintaining good overall health.
Cleveland Clinic is a non-profit academic medical center. Advertising on our site helps support our mission. We do not endorse non-Cleveland Clinic products or services. It gives your provider information about your blood and overall health. CBCs help providers diagnose, monitor and screen for a wide range of diseases, conditions, disorders and infections. Your provider takes a sample of blood and your lab results are usually ready within a few days.
When is a CBC performed? You may need a CBC if you have symptoms such as: Bruising or bleeding. Fatigue , dizziness or weakness. Fever , nausea and vomiting.
Inflammation swelling and irritation anywhere in the body. Joint pain. Problems with heart rate or blood pressure. Why do healthcare providers order CBCs? Your provider may order a CBC to: Detect abnormalities in your blood that may be signs of disease. Diagnose or monitor many different disorders, conditions and infections. Evaluate your overall health.
Rule out conditions, disorders and disease. Monitor various blood diseases. What does a CBC look for? 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. Hemoglobin tests measure hemoglobin, the protein in red blood cells that carries oxygen.
Hematocrit describes the concentration of red blood cells in your blood. A CBC tells your provider: How many new blood cells your body is creating. Size and shape of blood cells. What does a CBC detect? Bone marrow disorders, such as myelodysplastic syndromes. Disorders such as agranulocytosis and thalassemias and sickle cell anemia.
Infections or other problems that cause abnormally low white blood cell count or high white blood cell count. Several types of cancer , including leukemia and lymphoma.
Side effects of chemotherapy and some prescription medications. Vitamin and mineral deficiencies. What should I expect after the test? What are the benefits of this test? What are the risks of this test? Results and Follow-Up When should I know the results of the test?
What are the normal ranges for a complete blood count? A note from Cleveland Clinic Healthcare providers use complete blood counts to manage disease and help you stay healthy. Show More.