Designed for quick reference in any clinical setting, this handbook presents succinct, bulleted information on over 500 diagnostic tests. It provides a rapid refresher on key facts nurses need to understand the significance of test results, ensure accurate specimen collection, and care for the patient before and after the test. Alphabetically organized entries cover hematology and coagulation, blood chemistry, hormones, immunology, urine, system-specific specimens, cultures, biopsy, endoscopy, imaging, monitoring and catheterization, and organ function tests. Each test is described on an easy-to-scan page. Log's alert readers to life-threatening conditions associated with panic or critical levels and highlight age-related considerations.