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

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

Methodology

Chemiluminescence
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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
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Performing Laboratory

Warde Medical Laboratory
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