Estradiol
Additional Codes
LAB523
Performing Laboratory
MBMC Main Laboratory
Methodology
Electro-Chemiluminescent Immunoassay (ECLIA)
Specimen Requirements
Specimen Type: Plasma
Container/Tube: Mint-green top (lithium heparin gel)Gold top, serum gel
Specimen Volume: Full tube
Alternative Specimen Type: Serum
Alternative Container/ Tube: Gold top, serum gel
Alternative Specimen Volume: Full tube
Specimen Transport Temperature
Ambient
Day(s) Test Set Up
Monday through Sunday
Turnaround Time:
STAT: 1 hour after receipt in laboratory
Routine: within 4 hours
Reference Values
Males: 11 – 43 pg/mL
Females:
Premenopausal: 31 – 533 pg/mL
Postmenopausal: < 50 pg/mL
Patients treated with Fluvestrant (Faslodex) should be tested using an alternate assay such as LC-MS due to potential for cross-reactivity. Estradiol varies widely throughout the menstrual cycle.
Current interpretive data was last revised 10/20/2024
Test Classification and CPT Coding
Test Classification:This test has been cleared or approved by the U.S. Food and Drug Administration and is used per manufacturer’s instructions.
CPT Code:
82670
Stability
2 days Refrigerated