Estradiol
- Test Name:
- Estradiol
- Synonyms:
-
17 beta estradiol
E2
Estrogen
- Collection Device/Tube Type:
-
1. EDM Base Lab: 5 mL blood - GOLD SST (gel)
2. CGY DSC: 4.5 mL blood - MINT LIHEP PST (gel)
3. NOTE: The preferred tube type at each testing site is acceptable at the alternate site
- Submission Requirements:
- 1 mL serum or lithium heparin plasma
- Handling/Storage Comments:
-
• Refrigerated transport preferred, but not required except South Zone, refrigerated transport is required
• If transport delay of > 40 hours is expected between specimen collection and receipt at EDM Base Lab or CGY DSC, then transport refrigerated.
• If transport delay of > 5 days is expected between specimen collection and receipt at EDM Base Lab or CGY DSC, then:
• Spin and aliquot the serum or lithium heparin plasma
• freeze sample
• transport frozen - Frequency of Testing:
-
Daily
- Reference Range:
-
- Comments:
- Biotin taken in doses >1 mg/day may interfere. For more information, see Biotin Interference
- Last Reviewed:
- 04 May 2023
