do you need to fast for a basic metabolic panel?
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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.
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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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Blood glucose tests are either random or fasting tests. For a fasting blood glucose test, you can't eat or drink anything but water for eight hours before your test. You may want to schedule a fasting glucose test first thing in the morning so you don't have to fast during the day.
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Other blood tests that require fasting 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.
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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. Typically, people are asked to fast for 8 to 12 hours before these tests.
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fasting – you need to fast four to six hours prior to your test. other tests – you may undergo various tests before the angiogram, including blood tests, an electrocardiogram and chest x-ray and cardiac CT (computed tomography).
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You don't need any special preparations for a calcium blood test or a basic metabolic panel. If your health care provider has ordered more tests on your blood sample, you may need to fast (not eat or drink) for several hours before the test.
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The basic metabolic panel (BMP) may be used to check the health of your kidneys, the status of your electrolyte and acid/base balance, as well as your blood glucose level – all of which are related to your body's metabolism.
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For most tests, you will be told not to consume anything but water for eight hours leading up to the test. For a few tests, a 12-hour fast may be needed.
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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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You don't need any special preparations for a potassium blood test or an electrolyte panel. If your health care provider has ordered more tests on your blood sample, you may need to fast (not eat or drink) for several hours before the test.
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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. Most tests that require fasting are scheduled for early in the morning. That way, most of your fasting time will be overnight.
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Renal function panel: Tests to see how well the kidneys are working. Typically, people are asked to fast for 8 to 12 hours before these tests.
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Generally you're required to fast, consuming no food or liquids other than water, for nine to 12 hours before the test. Some cholesterol tests don't require fasting, so follow your doctor's instructions.
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You usually need to fast for 8–12 hours before a test. Most tests that require fasting are scheduled for early in the morning.
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Common fasting blood tests Examples of blood tests that require you to fast include: a fasting blood glucose test (used to test for diabetes) – you fast for 8 to 10 hours before the test. an iron blood test (used to diagnose conditions such as iron deficiency anaemia) – you fast for 12 hours before the test.
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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.