To help determine your risk of developing heart disease and to monitor lipid-lowering lifestyle changes and drug therapies to accurately determine your low-density lipoprotein cholesterol LDL-C level when you are not fasting Specimen:A blood sample drawn from a vein in your arm When To Get Tested: As a follow-up to a lipid profile if your triglycerides are significantly elevated at regular intervals to monitor efforts to lower LDL levels Test Preparation:None however your health practitioner may request that you fast Normal Test Result:

To detect a problem with the body s electrolyte balance Specimen:A blood sample drawn from a vein in your arm When To Get Tested: As part of routine health screening or when your healthcare provider suspects that you have an imbalance of one of the electrolytes usually sodium or potassium or an acid-base imbalance Test Preparation:None Normal Test Result:

If you have been diagnosed with human immunodeficiency virus HIV to determine whether the strain causing your infection is resistant or has developed resistance to one or more antiretroviral therapy ART drugs Specimen:A blood sample drawn from a vein in your arm When To Get Tested: When first diagnosed with HIV immediately prior to the start of antiretroviral therapy or when you are receiving ART but the amount of virus in your blood HIV viral load does not decrease or rises steadily Test Preparation:None Normal Test Result: