Test Details
Mnemonic
E2
Ordering Code
1010070
CPT-4 Code(s)
82670
Specimen Information
Patient Preparation
This test should not be used for patients being treated with estradiol supplements, or if a highly sensitive/ultrasensitive method is needed. An alternative method, such as LC/MS, should be used instead. Please see Estrogens, Total, and Fractionated, LC/MS/MS (ESTM) or contact the lab for alternate test information.
Collect
Serum separator tube (SST)
Specimen Preparation
Centrifuge, separate serum from cells and send 1.0 mL serum in a screw capped plastic vial.
Alternate Specimen
Serum: Red top
Plasma: EDTA, sodium or lithium heparin
Plasma: EDTA, sodium or lithium heparin
Minimum Volume
0.5 mL
Transport Temperature
Refrigerated
Rejection Criteria
Grossly lipemic specimens, moderately hemolyzed specimens
Stability
Room temperature: 8 hours
Refrigerated: 7 days
Frozen: 60 days
Refrigerated: 7 days
Frozen: 60 days
Methodology
Chemiluminescence
Reference Range
Adult Female:
Early Follicular: 22-115 pg/mL
Mid Follicular: 25-115 pg/mL
Ovulatory Peak: 32-517 pg/mL
Mid Luteal: 37-246 pg/mL
Post-Menopausal:
Not on hormone therapy: <26 pg/mL
Males:
≥19 years of age: <33 pg/mL
Early Follicular: 22-115 pg/mL
Mid Follicular: 25-115 pg/mL
Ovulatory Peak: 32-517 pg/mL
Mid Luteal: 37-246 pg/mL
Post-Menopausal:
Not on hormone therapy: <26 pg/mL
Males:
≥19 years of age: <33 pg/mL
Performing Laboratory
Warde Medical Laboratory
New York DOH Approval Status
Yes