Clinical Laboratory Scientists are highly skilled professionals who are qualified by passing the national certification examination and licensed by NY State to work in a several departments of a clinical laboratory including hematology, microbiology, immunohematology, chemistry, immunology and molecular diagnostics (CLS generalist). They play a key role in the detection, diagnosis and treatment of diseases and illnesses. Using sophisticated laboratory analyzers, CLS generalists perform tests and analyze cells, blood and other body fluids to detect abnormalities. They are a vital source of diagnostic information to doctors who use the test results to determine and monitor a course of treatment for patients.