Participates in the pre-analytical, analytical and post analytical phases of patient testing. This includes specimen processing, collection and handling as well as test analysis and reporting. Performs routine and complex chemical and biological analysis of blood, tissue, body fluids and excretions of patients, which includes principles of human growth and development according to established laboratory guidelines. The patient specific population is defined in the department scope of service to which this position is assigned. Through understanding of the principles of the procedures, this position integrates, correlates, or evaluates the data obtained for the purpose of determining the validity of results as related to patients and standards.