Geisinger Medical Laboratories/Geisinger Proven Diagnostics Test Catalog

Order Display Name: Geisinger Epic Procedure Code Or ID CPT Code:  

ESTRADIOL, FREE

ORDERING INFORMATION:
Geisinger Epic Procedure Code: LAB2237         Geisinger Epic ID: 47607

SPECIMEN COLLECTION
Specimen type:
Serum
Preferred collection container:
Specimen required:
2.5 mL serum; minimum 1.5 mL
Special notes:
Serum separator tubes NOT acceptable

SPECIMEN PROCESSING
Specimen processing instructions:
Centrifuge and aliquot. 
Transport temperature:
Refrigerated.
Specimen stability:
Room temperature: 48 hours. Refrigerated: 7 days. Frozen: 2 years.
Rejection criteria:
Moderate to gross hemolysis. Lipemia. Serum separator tube.

TEST DETAILS
CPT code(s):
82670, 82681
Note: The billing party has sole responsibility for CPT coding.  Any questions regarding coding should be directed to the payer being billed.  The CPT codes provided by GML are based on AMA guidelines and are for informational purposes only.
Test includes:
Free Estradiol, Estradiol
Methodology:
Chromatography/Mass Spectrometry
Equilibrium Dialysis
Synonyms:
Quest test code 36169
ESTRF
Clinical significance:
Much of estradiol is bound to proteins. The unbound portion and estradiol bound to proteins with low affinity reflect the free concentration. The free estradiol may better correlate with medical conditions than the total estradiol concentrations

Performing Locations

Quest Diagnostics

Technical Lead: Michael Weaver    
Frequency: Set up: Monday, Wednesday nights. Report available: 5-10 days    
Performed stat? No
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