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 evaluate the hemoglobin content of your blood as part of a general health checkup to screen for and help diagnose conditions that affect red blood cells RBCs if you have anemia low hemoglobin or polycythemia high hemoglobin to assess the severity of these conditions and to monitor response to treatment Specimen:A blood sample drawn from a vein in your arm or by a fingerstick children and adults or heelstick newborns When To Get Tested: With a hematocrit or as part of a complete blood count CBC which may be ordered as a component of a general health screen when you have signs and symptoms of anemia weakness fatigue or polycythemia dizziness headache at regular intervals to monitor these conditions or response to treatment Test Preparation:None Normal Test Result: Normal results for adults vary, but in general are: Male: 13.8 grams per deciliter (g/dL )to 17.2 grams per deciliter (g/dL) or 138 to 172 grams per liter (g/L) Female: 12.1 to 15.1 g/dL or 121 to 151 g/L

To screen for risk of developing heart disease to monitor effectiveness of lipid-lowering therapy Specimen:Most often a blood sample is collected from a vein in the arm Sometimes cholesterol is measured using a drop of blood collected by puncturing the skin on a finger A fingerstick sample is typically used when cholesterol is being measured on a portable testing device for example at a health fair When To Get Tested: Screening as part of a regular health exam with a lipid profile when no risk factors for heart disease are present adults should be tested once every four to six years children teens and young adults should be tested once between the ages of 9 and 11 and then again between the ages of 17 and 21 Monitoring may be done more frequently and at regular intervals when risk factors for heart disease are present when prior results showed high risk levels and or when undergoing treatment for unhealthy lipid levels Test Preparation:Cholesterol tests typically require fasting for 9-12 hours before the test only water is permitted Your healthcare practitioner may decide that you may be tested without fasting 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: < 100

This is the test that measures blood sugar levels. Elevated levels are associated with diabetes and insulin resistance, in which the body cannot properly handle sugar.

An electrocardiogram (ECG) records the electrical signal from your heart to check for different heart conditions.