Estrogens Fractionated, LC/MS

Estrone (E1), Estradiol (E2), Estrogens, Estrone (E1) and Estradiol (E2), Fractionated Serum

Test Codes

EPIC: LAB1232007, Beaker: ESTROGENS, Quest: 36742

NOTE: Testing includes:

• Estrone
• Estradiol, Ultrasensitive, LC/MS
• Estriol, Serum

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 within 2 hours of collection. Transfer serum to a plastic transport tube and refrigerate (2-8°C or 36-46°F).

Preparation for Courier Transport

Transport: 2.5 mL serum, refrigerated (2-8°C or 36-46°F). (Minimum: 1.5 mL)

Rejection Criteria

• Gross hemolysis.
• 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 within 2 hours of collection. Transfer serum to a plastic transport tube and refrigerate (2-8°C or 36-46°F).

Transport: 2.5 mL serum, refrigerated (2-8°C or 36-46°F). (Minimum: 1.2 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

Information not available.

Reference Range

By report.

Test Methodology

Chromatography / Mass Spectrometry

CPT Codes

82671

Contacts

Last Updated

12/17/2025