The term bhc is an acronym used in the world of medicine, which means "full hematic biometric measurement". This expression, also known as a blood count, is the one that indicates in the blood test reports the need for such tests to be carried out on the patient concerned, in order to be determined the state of his health as regards leukocytes , euroocytes, eosinophils, basofilos, netrophiles, erythrocytes, lymphocytes and platelets, counting the percentage per cubic centimeter of blood. There are two types of processes in the bhc, which are the red formula and the white series. A blood smear is performed at the first time and the second is counted of the leukocytes in the blood.