This reference provides quick, pertinent information on laboratory and diagnostic tests with an emphasis on reference values and normal findings, descriptions, purposes, procedures, clinical problems and drug affects, factors affecting tests results, nursing implications and client teaching. 15 new laboratory tests. 5 new diagnostic tests. New section on pacemaker testing and school nursing function. Updated laboratory test values for adults and children. Updated tests for the top 20 common clinical problems. UNIQUE - drugs with serum therapeutic and toxic levels for the Therapeutic Drug Monitoring (TCM). All nursing professionals and students.