do you need to fast for a basic metabolic panel lab test?
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Basic or comprehensive metabolic tests: Tests for blood sugar, electrolyte balance, and kidney function. Typically, people will be asked to fast for 10 to 12 hours before having one of these tests. Renal function panel: Tests to see how well the kidneys are working.
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This test can tell a doctor about how a person's liver or kidneys are functioning. 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.
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Fasting for a lab test typically lasts eight hours. Your doctor should give you any special instructions related to your tests, including fasting requirements.
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You should not consume food or beverages other than water for at least 8 hours prior to visiting the lab. If you choose not to fast, it may affect your results. The Comprehensive Metabolic Panel (CMP) measures blood sugar (glucose) levels, electrolyte and fluid balance, kidney function, and liver function.
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How long do I have to fast before the test? You usually need to fast for 8–12 hours before a test.
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Typically, you will be asked to fast for 8 hours before the blood sample is collected. Occasionally, a healthcare practitioner may do testing when fasting is not possible, such as when a glucose tolerance test is done.
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Obtain fasting labs (nothing by mouth except water for 8 hours prior to test) 1-2 days prior to monthly visits. If labs are not reviewed in the office, you will be contacted in 2-3 days with your results and prescription information.
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The blood can be taken by your doctor or at a pathology lab. There is no need to fast before the test – you can eat and drink as normal. The results should be available within 24 hours.
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For example, measurements of kidney, liver, and thyroid function, as well as blood counts, are not influenced by fasting. However, fasting is required before commonly ordered tests for glucose (blood sugar) and triglycerides (part of the cholesterol, or lipid, panel) for accurate results.
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No preparation is required prior to the test. During the test, the mother is asked to drink a sweet liquid (glucose) and then will have blood drawn one hour from having the drink, as blood glucose levels normally peak within one hour. No fasting is required prior to this test.
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A. No. You do not need to fast and you can test your blood any time of the day. It is best to collect the blood sample before eating or several hours after a meal.
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Topic Overview. A basic metabolic panel is a blood test that measures your sugar (glucose) level, electrolyte and fluid balance, and kidney function. Glucose is a type of sugar your body uses for energy. Electrolytes keep your body's fluids in balance.
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Requirements Prior to the Test Fasting is required for a period of 8-10 hours prior to the test. (No food or fluids such as tea, coffee or fruit juice.) You may have sips of water if you are thirsty. Due to the nature of the test, testing is generally done in the morning.
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The healthcare professional arranging your test will tell you if you need to do anything to prepare for it. You can eat and drink as normal before some blood tests. But if you're having a "fasting blood test", you will be told not to eat or drink anything (other than water) beforehand.
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Requirements Prior to the Test You are to remain on a normal, unrestricted diet for at least 3 days prior to test. You have had no acute significant illness for 2 weeks prior to test. Fasting is required for a period of 8-10 hours prior to the test. (No food or fluids such as tea, coffee or fruit juice.)
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The basic metabolic panel (BMP) and comprehensive metabolic panel (CMP) tests are both blood tests that measure levels of certain substances in your blood. A doctor may order either a BMP or CMP during a physical or check-up.
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You do not need to fast before the test. Normal test results mean that there is no evidence of any of the infections tested for, at the time the samples were taken.