Some tests are well-motivated but don't work, most are expensive and distracting, a few are downright fraudulent. I have often reviewed thick charts with hundreds of lab results costing thousands of dollars and have come to the conclusion that all this effort was wasteful and often misleading and distracting.
False positives are common.
Abnormal lab results may not explain the problems at hand. Normal results may not rule out diseases in the early stages of development. The Alpha Nutrition Program is suggested as both a diagnostic and a treatment procedure. This standardized method of diet revision can be conducted at home and spare the patient the inconvenience and cost of hospitalization or frequent office visits. The ultimate value of test Doctors and mechanics have a something in common.