Anemic

First take the sample of the patient in the EDTA vial . And mark the vial with patients details and BGCM ( blood group cross- matching) Then there is a blood request form present in every hospital. Write the details required in that form . But if the form is not available. Write the patient name , their diagnosis, their blood investigation that suggests they need blood. The procedure for which the blood is required and their blood group. With the request of how many units of blood is required. With the doctors stamp and signature.