List of questionable diagnostic tests

This is a list of medical diagnostic tests that are considered questionable, unverified or refuted.
 * Applied kinesiology, including the Bi-Digital O Ring Test
 * Barnes Basal Temperature Test
 * Breast thermography
 * Electro Physiological Feedback Xrroid (EPFX)
 * Electrodermal diagnostic devices (e.g. Vega machines, E-meters)
 * Genetic tests for "reward deficiency syndrome"
 * Hair analysis
 * IgG antibody testing for food intolerances and food allergies
 * Live blood analysis
 * Myers–Briggs Type Indicator (MBTI)
 * Pendulum dowsing
 * Proove Opioid Risk test (POR)
 * Provoked urine testing for heavy metal toxicity
 * Radionics
 * SPECT scans for diagnosing psychological disorders
 * Unvalidated Lyme disease testing, often used to diagnose so-called chronic Lyme disease
 * Unvalidated mycotoxin tests