Practical and concise, this manual is a quick, go-to reference for up-to-date clinical material on today’s diagnostic testing and laboratory tests. Three convenient sections provide quick access to key information on clinical laboratory testing, diagnostic imaging, and diagnostic algorithms. Experienced author Dr. Fred Ferri uses a unique, easy-to-follow format to simplify complex information and help you choose the best test to supplement your clinical diagnostic skills. Features a new appendix on when to use contrast agents in ordering CT and MRI scans. Discusses new modalities including transient elastography (Fibroscan), CT enterography and CT enteroclysis. Provides new comparison tables to easily evaluate the best test; new algorithms for evaluation of immunodeficiency and hematochezia; and new tables and illustrations throughout to improve your test selection.