As mentioned by Dzik, (2015) the nurse should be aware of some instructions to avoid the error that may occur due to improper sampling such as spelling the patient’s name correctly and consistently when labeling the sample tube and complete the request form, give all unconscious patients a unique patient identification number and record the gender on the identification wristband, avoid taking the blood sample from the same arm of infusion because this may result in a diluted sample being sent for analysis, or a spurious laboratory result being
