This reference is a practical, up-to-the-minute guide to more than 600 diagnostic tests. It focuses on the key information nurses need at the point of care and includes tips, checklists, quick-scan tables, and 500 illustrations. Coverage includes entries on bioterrorism-related tests, C-reactive protein, gene-based HIV testing, DNA cervical cancer testing, tumor markers, brain natriuretic peptide, spiral CT, and the Given GI imaging system. Logos include Alert, summarizing vital information for clinicians, and Age Alert, highlighting pediatric and geriatric concerns.