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Test Code ESTRO Estrogen, Total, Serum

Specimen Required

2 mL serum

Specimen Minimum Volume

1.5 mL

Specimen Stability

Room temperature: 4 days Refrigerated: 14 days Frozen: 28 days

Rejection Due To

Gross hemolysis • Grossly lipemic

Method Name

Extraction • Radioimmunoassay (RIA)

Collection Container / Tube

Preferred: Gold SST Tube
Other Acceptable Container: None

Transport Container

Plastic screw-cap vial

Transport / Storage Conditions

Refrigerated (cold packs)

Reference Values

Adult Female  
   Follicular Phase (1-12 days) 90-590 pg/mL
   Luteal Phase 130-460 pg/mL
   Postmenopausal 50-170 pg/mL
Adult Male 60-190 pg/mL

Day(s) Performed


CPT Codes


Clinical Reference

Estrogens are secreted by the gonads, adrenal glands, and placenta. Total estrogens provide an overall picture of estrogen status for men and women.