TEST CATALOG ORDERING & RESULTS SPECIMEN HANDLING CUSTOMER SERVICE EDUCATION & INSIGHTS
Test Catalog

Test ID: FFES    
Estradiol Free, Serum (includes Estradiol and SHBG)

Specimen Type Describes the specimen type validated for testing

Serum Red

Specimen Required Defines the optimal specimen required to perform the test and the preferred volume to complete testing

Draw blood in a plain red-top tube (serum gel tube is not acceptable). Spin down, pour off into plastic vial within 1 hour of collection, and send 3 mL serum frozen.

Specimen Minimum Volume Defines the amount of sample necessary to provide a clinically relevant result as determined by the Testing Laboratory

1.5 mL Note: This volume does not allow for repeat testing.

Reject Due To Identifies specimen types and conditions that may cause the specimen to be rejected

Hemolysis NA
Lipemia NA
Icterus NA
Other NA

Specimen Stability Information Provides a description of the temperatures required to transport a specimen to the performing laboratory, alternate acceptable temperatures are also included

Specimen TypeTemperatureTimeSpecial Container
Serum RedFrozen (preferred)180 days
 Ambient 48 hours
 Refrigerated 48 hours