A blood chemistry analysis (i.e.: a blood test) provides key information about one’s health within various systems of the body, and as a whole. It allows a healthcare provider to assess the degree of health or disease in a patient, and to screen and identify imbalances in physiological metabolism and function. A blood chemistry analysis is the most efficient, effective, and affordable general screening test available. Blood chemistry results can be evaluated using either conventional or functional laboratory ranges. The prevention of disease and whether a developing health condition in its initial (“subclinical”) stage is discovered depends significantly on whether a healthcare practitioner uses the conventional or functional laboratory ranges to interpret a person’s blood test results.