How long cbc blood test take

Afterward, there may be some mild bruising, which should go away in a few days. Blood samples are processed by a machine, and it may take a few hours to a day for the results to be available. If the test results show signs of a problem, the doctor might order other tests to figure out what the problem is and how to treat it.

A CBC is a safe procedure with minimal risks. Some people might feel faint or lightheaded from the test. A few teens have a strong fear of needles. If you're anxious, talk with the doctor before the test about ways to make the procedure easier. A small bruise or mild soreness around the blood test site is common and can last for a few days. Get medical care if the discomfort gets worse or lasts longer. The complete blood count CBC indicates the white blood cell count, the red blood cell count, and hemoglobin levels.

There is no need to fast before a CBC. A lipid panel measures the amount of cholesterol in the blood. Most adults will need to fast water only for 9 to 12 hours before the blood test. However, children and young adults can eat as normal. A complete metabolic panel includes tests that measure levels of albumin, total protein, glucose, calcium , and common electrolytes included in the basic metabolic panel. The results of a complete metabolic panel can take a few days to come back. A person will need to fast for 12 hours before having this blood test.

Urine tests are the most common methods for detecting pregnancy and give results within minutes. Some people choose to have a blood test, which tends to be more accurate than a urine test. However, people have to wait longer for blood test results.

There are two types of blood tests for pregnancy: qualitative and quantitative. A qualitative test gives a simple yes or no answer to whether a person is pregnant. A quantitative test returns the total amount of human chorionic gonadotropin hCG in the blood. The body produces this hormone when someone becomes pregnant. Some blood tests can detect whether a person is pregnant as soon as 1 week after conception. A person needs to be pregnant for longer before a urine test can identify a pregnancy accurately.

How long a pregnancy test result takes to come back depends on the location of the lab. A doctor can use a blood test to confirm suspected cancers. The type of blood test will depend on the type of cancer a doctor is looking for. The results can take a few days to a few weeks to come back, depending on the lab and the location. Several different tests look at thyroid functions.

Doctors can check for hyperthyroidism overactive thyroid or hypothyroidism underactive thyroid. The results for the various thyroid tests are often available within a day or two, but this can vary between labs. Afterward, there may be some mild bruising, which should go away in a few days.

Blood samples are processed by a machine, and it may take a few hours to a day for the results to be available. If the test results show signs of a problem, the doctor might order other tests to figure out what the problem is and how to treat it. A CBC is a safe procedure with minimal risks. Some kids might feel faint or lightheaded from the test. A few kids and teens have a strong fear of needles. If your child is anxious, talk with the doctor before the test about ways to make the procedure easier.

A small bruise or mild soreness around the blood test site is common and can last for a few days. Get medical care for your child if the discomfort gets worse or lasts longer. If your blood sample will be used for additional tests, you may need to fast for a certain amount of time before the test. Your doctor will give you specific instructions. For a complete blood count, a member of your health care team takes a sample of blood by inserting a needle into a vein in your arm, usually at the bend in your elbow.

The blood sample is sent to a lab for analysis. You can return to your usual activities immediately. A complete blood count is typically not a definitive diagnostic test.

Depending on the reason your doctor recommended this test, results outside the normal range may or may not require follow-up. Your doctor may need to look at the results of a CBC along with results of other blood tests, or additional tests may be necessary.

For example, if you're otherwise healthy and have no signs or symptoms of illness, results slightly outside the normal range on a complete blood count may not be a cause for concern, and follow-up may not be needed.

Of if you're undergoing cancer treatment, the results of a complete blood count outside the normal range may indicate a need to alter your treatment plan. In some cases, if your results are significantly above or below the normal ranges, your doctor may refer you to a doctor who specializes in blood disorders hematologist.