Laboratory unit is one of the unit in the hospital which aimed to help the doctor to diagnose the disease, therefore the doctor could appropriately, quickly, and accurately treat or handling the disease. Determining the risk of the disease by holding the expectation that the disease can be early detected, determine the prognosis of the disease therefore it can be used as monitoring the successful of the treatment. In order to know the condition or the health status of the patient, it is necessary to do the general check-up in the laboratory minimum once a year. Therefore, laboratory has an important role in the hospital.