Free Estradiol by ED/LC-MS/MS
2006160
Ordering Recommendation
Direct measure of free estradiol in serum. Most accurate measure of bioactive estradiol.
Submit With Order
Mnemonic
ESDIOL FR
Methodology
Quantitative Equilibrium Dialysis/High Performance Liquid Chromatography-Tandem Mass Spectrometry
Performed
Tue
Reported
1-8 days
New York DOH Approval Status
This test is New York DOH approved.
Specimen Required
Patient Preparation
 
Collect
Serum separator tube or green (sodium or lithium heparin), Red Top, Plasma Separator Tube.  
Specimen Preparation
Separate from cells ASAP or within 2 hours of collection. Transport 2 mL serum or plasma. (Min: 1.0 mL)  
Storage/Transport Temperature
Frozen.  
Unacceptable Conditions
 
Remarks
 
Stability
After separation from cells: Ambient: unacceptable; Refrigerated: 1 week; Frozen: 6 months  
Reference Interval
Effective August 19, 2013
Age/Gender Reference Interval
Adult Females -​ 19 years and older:
Follicular Stage
Mid-​Cycle Stage
Luteal Stage
Post-​Menopausal Stage
.
less than 2.4 pg/mL
less than 3.1 pg/mL
less than 2.6 pg/mL
less than or equal to 0.5 pg/mL
Adult Males Does not apply
Children Does not apply
Interpretive Data


See Compliance Statement B: www.aruplab.com/CS
Note
CPT Code(s)
82670
Components
Component Test Code*Component Chart Name
2006161Free Estradiol by ED/LC-MS/MS
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, please click the sidebar link to access the Interface Map.
Cross References
  • High-Sensitivity Free Estradiol