how long do i need to fast for lipid panel?
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However, if the test is drawn as part of a total lipid profile, it requires a 12-hour fast (no food or drink, except water). For the most accurate results, wait at least two months after a heart attack, surgery, infection, injury or pregnancy to check HDL levels.
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Fasting means that you abstain from all food and fluids other than water for a period of 8 – 16 hours prior to your test.
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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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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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How to prepare for this test. If you're asked to fast, you can't eat anything for 8-10 hours before the test. You should drink only water. If you are having an OGTT, you will need to drink a glucose drink provided after your fasting test, then stay for an additional few hours for further testing.
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Patients should have a 25-OH vitamin D test yearly from September through March, around the same time they get their fasting lipid level. Fasting is not necessary to obtain a vitamin D level; however, getting blood tests at the same time makes sense, reducing the burden of time on the patient.
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In preparation for the test, a doctor may instruct a person to fast for up to 12 hours before the test. The doctor's office typically receives the results within a day.
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The amount of time you need to fast for will vary depending on the test. For most tests, you will be told not to consume anything but water for eight hours leading up to the test.
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Fasting before blood tests Fasting means that you eat and drink nothing except water for 8 –16 hours before your blood test (12 hours optimal).
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You may be instructed not to eat or drink anything except water for 9 to 12 hours before having your blood drawn. This is called a "fasting blood test." Fasting is not always necessary, but it may be recommended. Usually, you are allowed to take your medicines with water the morning of the test.
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Fasting Requirements Fasting means that, with the exception of water, you refrain from eating or drinking for a minimum of 8 hours (10 to 12 hours is preferable) prior to the draw.
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The NMR LipoProfile test is the only test that will report LDL particle number and size. Also Known As: Cholesterol, Lipoprotein Analysis (LDL-P, HDL-P, LDL Size), Expanded. Preparation: Fasting for 12-14 hours required.
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Basic metabolic panel. You may be asked to fast for a certain period of time before having your blood drawn. These results are also typically sent to your doctor within 24 hours.
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After starting a statin, it takes about six weeks for cholesterol levels to stabilise, so most doctors would re-check your cholesterol after about eight weeks. You should have a check-up at least once a year or more often if your doctor thinks it is necessary.
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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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LOINC® Codes, Performing Laboratory If Triglyceride result is >400 mg/dL, then Direct LDL will be performed at an additional charge (CPT code(s): 83721). Fasting is not required prior to collection of a lipid panel.
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You may be instructed not to eat or drink anything except water for 9 to 12 hours before having your blood drawn. This is called a "fasting blood test." Fasting is not always necessary, but it may be recommended.