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Laboratory Test Directory

Estrogens, Total

Components

Name Method Department Units
Estrogen Radioimmunoassay
Send Out pg/mL

Specimen Requirements

Serum Spun

Container Type Container Size Specimen Volume
Preferred

Red tube, (no anticoagulant), No Gel

3 mL 1 mL
Alternate

Red Tube (no anticoagulant) with Gel

3 mL 1 mL
Alternate

Gold tube, (SST) with Gel

3.5 mL 1 mL
Stability

Room temperature - 2 day(s)
Refrigerated - 2 day(s)
Frozen - 24 month(s)

Specimen Preparation

  • Centrifuge within 1 hour, separate supernatant and freeze

Reasons for Rejection

  • Wrong collection tube

Comments

Serum must be separated from cells within 1 hour of collection. This assay should not be used for pregnant patients. Minimum volume does not permit repeat analysis.

CPT Code

  • 82672