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. An alternative method, such as LC/MS, should be used instead. Please 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 refrigerated 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