To evaluate the health of your kidneys to help diagnose kidney disease to monitor treatment for kidney disease Specimen:A blood sample drawn from a vein in your arm and or a 24-hour urine sample When To Get Tested: Routinely as part of a comprehensive or basic metabolic panel when your have signs and symptoms that may be due to kidney disease or damage or when you have a condition that may affect your kidneys and or be worsened by kidney dysfunction at intervals to monitor treatment for kidney disease or kidney function while on certain medications Test Preparation:You may be instructed to fast overnight or refrain from eating cooked meat some studies have shown that eating cooked meat prior to testing can temporarily increase the level of creatinine Normal Test Result: 0.84 milligrams per deciliter to 1.21 milligrams per deciliter (74.3 to 107 micromoles per liter), although this can vary from lab to lab, between men and women, and by age

To determine whether you have an infection of your digestive tract due to disease-causing pathogenic bacteria parasites or viruses Specimen:A fresh stool sample collected in a clean container the stool sample should not be contaminated with urine or water once it has been collected the stool should either be taken to the laboratory within two hours after collection or transferred into special transport vials containing preservative solutions When To Get Tested: When you have signs and symptoms such as diarrhea abdominal cramps nausea and or vomiting when you have blood or mucus in your loose stools Test Preparation:None Normal Test Result: A blood sugar level less than 140 mg/dL (7.8 mmol/L) is normal

To assess your risk of developing cardiovascular disease CVD to monitor treatment Specimen:A blood sample obtained by inserting a needle into a vein in your arm or from a fingerstick When To Get Tested: Screening when no risk factors present for adults every four to six years for youths once between the ages of 9 and 11 and again between ages 17 and 21 Monitoring at regular intervals when risk factors are present when prior results showed high risk levels and or to monitor effectiveness of treatment Test Preparation:Typically fasting for 9-12 hours water only before having your blood drawn is required but some labs offer non-fasting lipid testing Follow any instructions you are given and tell the person drawing your blood whether or not you have fasted For youths without risk factors testing may be done without fasting Normal Test Result: the ratio should be below 4

To determine your general health status; to screen for, diagnose, or monitor any one of a variety of diseases and conditions that affect blood cells. A blood sample is drawn from a vein in your arm or a fingerstick