You usually need to avoid eating for 10 to 12 hours before you have this blood test. You may drink water and take medicines your doctor prescribed during this time. But avoid drinking liquids other than water.
A lipid panel is a blood test that measures lipids fats and fatty substances used as a source of energy by your body. Lipids include cholesterol triglycerides high-density lipoprotein (HDL), and low-density lipoprotein (LDL).