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ESTRADIOL

Test Code
EDIOL
 
SynonymsE2
SPECIMEN REQUIREMENTS
Container TypeSerum separator tube (gold, brick, SST, or corvac)
Supply Item Numberpicture1467
Specimen TypeFrozen serum
Preferred Volume2 mL
Emergency Minimum Volume1 mL
Specimen ProcessingSeparate serum from cells and place in a separate plastic tube and freeze.
Store and TransportFrozen - Separate samples must be submitted when multiple tests are ordered.
StabilityRefrigerated 2 days from time of collection  Frozen (-20 °C) 2 months from time of collection  
Unacceptable ConditionPlasma; samples received at room temperature; grossly hemolyzed samples
Alternate SpecimensRefrigerated serum if sample was kept refrigerated since collection and received within 2 days of collection.
LimitationsLipemia may interfere with the assay.
CPT Codes82670
Interface Order Code82670
Billing CodeESTRADIOL
Test ScheduleTue-Sat and STAT
Turnaround Time1-3 days
MethodICMA
Reference Ranges
TitleGenderDescriptorRangesUnits
EstradiolMale0-56pg/mL
FemaleFollicular0-160
Mid-follicular0-84
Late-follicular34-400
Luteal27-246
Post-menopausal0-35
Post-menopausal treated0-93
This method may be used for patients taking hormone replacement therapy.
NotesThe drug Fulvestrant has demonstrated significant inteference with this Estradiol Immunoassay and therefore should not be used when monitoring estradiol levels in patients being treated with this drug. For patients being treated with Fulvestrant test code ESTMCP (a LDT) can be ordered for estradiol measurement by LCMSMS.

Interface Codes
typeorder codetest descriptionresult coderesult descriptionunitsdecimal placesloinc code
o82670Estradiol
r82670Estradiol82670Estradiolpg/mL02243-4

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