Patients who are not forthcoming about their alcohol history jeopardize our ability to provide the best possible clinical care. Many instruments such as the CAGE rely only on the patient's self-report. Luckily, we have several biomarkers to assist us. How and when to use which test? Dr. David Spiegel, associate professor of clinical psychiatry and behavioral sciences and director of the consultation-liaison service at Eastern Virginia Medical School in Norfolk, Virginia, joins host Dr. Leslie Lundt to discuss the specifics of blood tests to detect alcohol misuse.