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