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Hematology tests are to check for blood diseases and disorders, infections in the blood, oxygen levels in the blood, Diabetes, kidney and liver disease and a host of ailements. So Hematology is very important. Hematology diagnostic tests are those that use blood to diagonise illnesses or disorders. The reasons for using them are simple. >Blood is the transport medium in the body so any toxins or antibodies will be found in it. The normal range for all chemnicals found in blood is known and an abnormal level signifies something wrong. (eg: high fasting blood sugar level signifies diabetes, and high white blood cell count normally means an infection). >Blood is very easily obtained and tested. (eg: one could get part of his/her liver removed to know if it is functioning properly, or more simply, do a blood test called the liver function test)

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