Immediately following collection, thoroughly mix sample by gently inverting 5 times
Immediatley following collection, mix sample thoroughly by gentle inverting 8 - 10 times, to prevent clotting
Frozen (preferred) - 2 years
Refrigerated - 7 days
Ambient - 7 days
Liquid chromatography tandem mass spectrometry (LC/MS/MS)
Adult Males: 8.0 - 35
Fulvestrant (Faslodex®) or Mifepristone therapy may cause falsely elevated estradiol results when measured by common immunoassays, which include the estradiol test used at Allina Health Laboratory.
Estradiol testing should be performed by liquid chromatography/mass spectrometry (LC/MS) in patients receiving these drugs.