The term "multiphasic health checkup" has been applied to a periodic health examination in which the physician uses an automated multiphasic screening program to obtain a comprehensive battery of laboratory tests for his patients. Automated multiphasic screening is a systems concept that uses mechanized and semiautomated equipment to determine automatically whether there is sufficient likelihood that disease is present to warrant further diagnostic testing.Multiphasic screening programs have received criticism for a number of reasons: the usual practice in the past of referring to physicians only test-positive patients, with resultant excess risk to false-negative patients; the poor quality of the . . .