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Test Compendium

6834: ESTRIOL, UNCONJUGATED (E3)

Test Code

  • 6834

Test Synonym

  • E3 ESTRIOL, ESTRIOL FREE, FREE ESTRIOL, UNCONJUGATED ESTRIOL

Gender

  • Female

Volume

  • 1 mL

Minimum Volume

  • 0.5 mL

Specimen Requirements

  • Serum

Container

  • Serum Separator Tube, Transfer Tube- Serum, Plain Red Top Tube

Storage

  • Refrigerated

Turn Around Time

  • 1 day

Special Instructions

  • 1 SST

Specimen Stability

  • 8 Hours at Room Temperature, if assay not completed within 8 hours then store refrigerated 2-8 degrees.

Reference Range

  • Fasting Sex Message Lines Ref Ranges Unit of Measure
    F                                       Reference Range (ng/mL)                                       Gestational              Expected                                    Week                  Range                               Non-Pregnant ............. <0.60                                    Week 27 ............. 2.3-6.4                                    Week 28 ............. 2.3-7.0                                    Week 29 ............. 2.3-7.7                                    Week 30 ............. 2.4-8.6                                    Week 31 ............. 2.6-9.9                                    Week 32 ............. 2.8-11.4                                    Week 33 ............. 3.0->12                                    Week 34 ............. 3.3->12                                    Week 35 ............. 3.9->12                                    Week 36 ............. 4.7->12                                    Week 37 ............. 5.6->12                                    Week 38 ............. 6.6->12                                    Week 39 ............. 7.3->12                                    Week 40 ............. 7.6->12                                      Males ............. <0.50 <0.60 ng/mL
    M <0.50 ng/mL