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Melatonin, EDTA Plasma

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Melatonin, EDTA Plasma

Accredited Facility E-report Qualified Specialists

This test measures melatonin, a hormone produced by the pineal gland that regulates sleep-wake cycles and circadian rhythm. It helps assess sleep and hormonal rhythm disturbances.

  • If sleep disorders are suspected.
  • During evaluation of circadian rhythm disturbances.
  • When abnormal sleep patterns occur.
  • During assessment of melatonin secretion disorders.
  • As part of endocrine or sleep medicine investigations.
  • Sample timing is very important because melatonin levels vary by time of day.
  • Light exposure before collection may affect results.
  • A blood sample will be collected in an EDTA tube.
  • Inform the healthcare provider about sleep medications or supplements.
  • Follow all laboratory timing and preparation instructions carefully.
    • Melatonin, EDTA Plasma
    No labs currently offering this test.