a few lab investigations require empty stomach. for fasting sample it is not good to take coffee before blood tests.
Certain blood test lab near me, require fasting before the test to ensure accurate results. For example, lipid profile, fasting blood sugar, and fasting lipid profile tests typically require 8 to 12 hours of fasting. During this fasting period, you should refrain from consuming any food or beverages, except water. However, not all blood tests require fasting, so it's essential to follow the specific instructions provided by the laboratory or healthcare professional.
For 8 hours prior to test it is preferable to abstain from eating or drinking, except water. Additionally, the doctor may ask you to restrain from some drugs which affect the levels, like ascorbic acid (Vit C), and some diuretics
No. Fasting is only required for lab tests which examine lipids, sugars (blood glucose, glycohemoglobin, etc.) and amino acids.
Blood tests
No. There are many tests for the liver and they all require either large blood samples or lab equipment.
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I believe it varies depending on which test they are performing. Some test do not require fasting and others require fasting for about 6-8 hrs while others require 10-12 while some require more. When in doubt about which one it is ask your doctor or lab technician.
A blood glucose test will require that you have blood drawn for a blood sample so that your glucose levels can be determined to be normal or not. Getting a blood sample will require that a lab technician perform a phlebotomoy where a small needle is used to pierce the skin and draw a small blood sample from the body.
Blood tests, urine tests, and tissue tests can be used to confirm a diagnosis of lipidoses.
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blood sugarcholesterol