This document provides guidance for determining reference values and reference intervals for quantitative clinical laboratory tests. The U.S. Food and Drug Administration (FDA) has evaluated and recognized this approved-level consensus guideline for use in satisfying a regulatory requirement.

This thoroughly updated Second Edition of Clinical Laboratory Medicine provides the most complete, current, and clinically oriented information in the field. The text features over 70 chapters--seven new to this edition, including medical laboratory ethics, point-of-care testing, bone marrow transplantation, and specimen testing--providing comprehensive coverage of contemporary laboratory medicine. Sections on molecular diagnostics, cytogenetics, and laboratory management plus the emphasis on interpretation and clinical significance of laboratory tests (why a test or series of tests is being done and what the results mean for the patient) make this a valuable resource for practicing pathologists, residents, fellows, and laboratorians. Includes over 800 illustrations, 353 in full color and 270 new to this edition. Includes a Self-Assessment and Review book.