Prioritizes lab orders according to type (STAT, ASAP, routine and timed studies) and performs various testing (including chemistry, coagulation, hematology, special chemistry, urinalysis, blood bank, serology, immunology, bacteriology, microbiology, referral testing and more) following prescribed quality assurance policies and procedures. Reviews and evaluates the validity and accuracy of test results, recognizing the interdependency of tests, the physiological conditions affecting results, patient age and normal values, controls, linearity errors, instrument codes, delta checks and more.