FALTs: factors affecting laboratory tests -- Laboratory tests -- Infectious disease assays -- Autoimmune diseases -- Cardiovascular disorders -- Central nervous system disorders -- Digestive diseases -- Endocrine diseases -- Genitourinary system disorders -- Gynecologic and obstetric disorders -- Hematologic disorders -- Hereditary and genetic diseases -- Infectious diseases -- Renal disorders -- Respiratory, metabolic, and acid-base disorders -- Toxicology and therapeutic drug monitoring -- Transfusion medicine -- Appendix: Abbreviations and acronyms.