Principles of laboratory and diagnostic testing used to identify pathophysiologic processes encountered in ambulatory and hospital settings; including rationale, appropriate technique, interpretation of results, treatment options, indications for referral, and communication of results to patients and other healthcare providers. 3 Credits (2 Lecture - 3 Lab) Prerequisite(s): PHA301 and PHA311 and PHA316 and PHA322 and PHA326 and PHA347 and PHA375. Spring Only.