Estradiol, Ultrasensitive, LC/MS

Test Codes

EPIC: LAB3152, Beaker: ESTRADIOL, Quest: 30289

Department

Send Outs

Specimen Collection Criteria

Collect: One Red-top tube.

Do not use Serum Separator Tubes (SST).

Physician Office/Draw Specimen Preparation

Let specimen clot 30-60 minutes then centrifuge to separate serum from cells. Transfer serum to a plastic transport tube and refrigerate at (2-8°C or 36-46°F).

Preparation for Courier Transport

Transport: 0.5 mL serum, refrigerated at (2-8°C or 36-46°F). (Minimum: 0.2 mL)

Rejection Criteria

• Lipemia.
• Grossly icteric.
• Serum separator tube (SST).
• Specimens not processed and collected as indicated.

In-Lab Processing

Let specimen clot 30-60 minutes then centrifuge to separate serum from cells. Transfer serum to a plastic transport tube and refrigerate at (2-8°C or 36-46°F).

Transport: 0.5 mL serum, refrigerated at (2-8°C or 36-46°F). (Minimum: 0.2 mL)

Storage

Specimen Stability for Testing:

Room Temperature (20-26°C or 68-78.8°F): 24 hours
Refrigerated (2-8°C or 36-46°F): 7 days
Frozen (-20°C/-4°F or below): 28 days

Specimen Storage in Department Prior to Disposal:

Specimen retention time is determined by the policy of the reference laboratory. Contact the Send Outs Laboratory with any questions.

Laboratory

Sent to Quest Diagnostics, Wood Dale, IL.

Performed

Sunday – Friday.
Results available 2-5 days.

Reference Range

By report.

Test Methodology

Chromatography / Mass Spectrometry

CPT Codes

82670

Contacts

Last Updated

10/27/2026