Estradiol, LC/MS-13425

Test info

  
Estradiol, LC/MS
  
13425
  
LAB13425
  
ESTRADIOL

Specimen

  
Serum
  
  
3.0 mL
  
1.5 mL
Submission of the minimum volume does not allow for repeat testing
  

Immediately following collection, thoroughly mix sample by gently inverting 5 times

  
  1. Allow sample to clot for a minimum of 30 minutes
  2. Spin
  3. Transfer serum to a Screw-cap polypropylene frozen transport vial/tube - 4mL (LabCorp), labelled as serum, within 45 minutes of collection
  4. Freeze

 

  
EDTA plasma
Heparin plasma
  

Lavender (EDTA), 4mL

Dk green heparin (Li or Na), no gel

  

  

Immediatley following collection, mix sample thoroughly by gentle inverting 8 - 10 times, to prevent clotting

  
  1. Spin
  2. Transfer plasma to a Screw-cap polypropylene frozen transport vial/tube - 4mL (LabCorp), labelled as the appropriate plasma type, within 45 minutes of collection
  3. Freeze
  

Frozen (preferred) - 2 years

Refrigerated - 7 days

Ambient - 7 days

Performance

  
Esoterix Endocrinology (500152) via LabCorp (500108): R-LC
  
Mo - Fr
  
6 - 10 days
  

Liquid chromatography tandem mass spectrometry (LC/MS/MS)

Clinical and Interpretive info

  

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.

Billing

  
82670
  
Result 35384-7

Tracking

  
03/29/2019
  
03/30/2021
  
02/22/2021