Additional Information:
EPIC Test Name: ESTRADIOL
Epic order code: LAB523
CPT Code(s):
Collection Procedure:
Collect specimen in SST tube. Allow to clot. Centrifuge and store refrigerated. Transport to lab.
Specimen Requirements:
Specimen Type: Serum (preferred) or Plasma
Container/Tube: SST or Lithium Heparin (Green top)
Sample Volume: 1 mL
Minimum Volume: 0.2 mL (Repeat testing is not possible with this specimen volume.)
Storage: Refrigerate
Stability (collection to time of analysis/testing):
- Refrigerated: 2 days
- Frozen: 2 months
Methodology:
Solid-phase, enzyme-labeled chemiluminescent competative immunoassay
Reported:
1-3 Business Days
Reference Values:
-
Adult Males (≥ 18 years): 0-56 pg/mL
- Untreated Postmenopausal: ND – 30 pg/mL
- Treated Postmenopausal: ND – 93 pg/mL
- Oral Contraceptives: ND – 102 pg/mL
Adult Females (≥ 18 years):
-
Ovulatory Cycles:
- Follicular Phase: ND – 160 pg/mL
- Follicular Phase (Days 2 – 3): ND – 84 pg/mL
- Periovulatory (± 3 Days): 34 – 400 pg/mL
- Luteal Phase: 27 – 246 pg/mL