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.
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Collect

Serum separator tube (SST)
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Specimen Preparation

Centrifuge, separate serum from cells and send 1.0 mL serum refrigerated in a screw capped plastic vial.
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Alternate Specimen

Serum: Red top
Plasma: EDTA, sodium or lithium heparin
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Minimum Volume

0.5 mL
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Transport Temperature

Refrigerated
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Rejection Criteria

Grossly lipemic specimens, moderately hemolyzed specimens
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Stability

Room temperature: 8 hours
Refrigerated: 7 days
Frozen: 60 days
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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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