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Test Code FESTRA Free Estradiol  

Important Note

Direct measure of free estradiol in serum. Most accurate measure of bioactive estradiol.
 

Additional Codes

2006160

Methodology

Equilibrium Dialysis/HPLC-Tandem Mass Spectrometry

Specimen Type

Blood

Preferred Collection Container

SST

Collection Volume

4.0 mL

Minimum Collection Volume

2.0 mL

Collection Instructions

Separate serum from cells ASAP or within 2 hours of collection.
 

Transport

Refrigerated

Rejection Criteria

.

Specimen Storage and Stability

Ambient: unacceptable; Refrigerated: 1 week; Frozen: 6 months

Turn Around Time

3-11 days

Lab Department

Referred Testing

Test Alias

2006160; High Sensitivity Free Estradiol
 

CPT Coding

82670

EPIC Code

LAB9028

Acceptable Collection Container

SST, GRN-PST, R-NoGel
 

Testing Volume

1.0 mL

Day(s) and Time(s) Performed

Tuesday

LOINC

2240-0