To screen for liver damage and or to help diagnose liver disease Specimen:A blood sample drawn from a vein in your arm When To Get Tested: When a healthcare practitioner thinks that you have symptoms of a liver disorder such as abdominal pain nausea and vomiting jaundice yellow skin or potential exposure to hepatitis virus as part of a comprehensive metabolic panel CMP when you have a routine health exam Test Preparation:None Normal Test Result: 7 units per liter (U/L)to 55 units per liter (U/L)

To determine your ABO blood group and Rh type Specimen:A blood sample drawn from a vein in your arm or for infants from a heelstick When To Get Tested: When you need a transfusion of blood or blood components when you donate blood at a collection facility or donate an organ tissue or bone marrow for transplantation before or during a woman s pregnancy to determine the risk of Rh incompatibility with the fetus Test Preparation:None Normal Test Result:

To help diagnose infectious mononucleosis mono to distinguish between an Epstein-Barr virus EBV infection and another illness with similar symptoms to help evaluate susceptibility to EBV Specimen:A blood sample drawn from a vein in your arm When To Get Tested: When you have symptoms of mono but a negative mono test when a pregnant woman has flu-like symptoms occasionally when an asymptomatic person has been exposed to someone with mono or possibly as a means to check immune system function Test Preparation:None Normal Test Result: normal range is 0 mm/hr 22 mm/hr to for men and 0 mm/hr to 29 mm/hr for women

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 evaluate the number of red blood cells RBCs used to screen for help diagnose or monitor conditions affecting red blood cells 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: As part of a complete blood count CBC during a health examination or when you have signs and symptoms of a condition such as anemia or polycythemia Test Preparation:None Normal Test Result: A normal RBC count would be: men – 4.7 million cells per microlitre (cells/mcL) to 6.1 million cells per microlitre (cells/mcL) women – 4.2 to 5.4 million cells/mcL.