Estradiol, Blood - Saskatoon
Discipline
Biochemistry
Overview
Alias
- E2
Specimen Information
Specimen types accepted
- Serum
- Plasma
Specimen collection container
- Preferred collection container: Blood - Gold (gel)
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Alternative collection container: Blood - Light Green (Lithium Heparin gel)
Required volume
- Optimal volume: 4.5 mL full collection tube
- Minimum volume: 1.0 mL
(Submitting the minimum volume makes it impossible to repeat the test or perform confirmatory/reflex testing. In some situations, a minimum volume may require a second collection.)
Transport and stability
- 4 hours on cells
- 2 days at 2 - 8 ºC
- Serum should be frozen if unable to receive at testing facility within 48 hours
Rejection criteria
- Specimens received where the proper collection protocols were not followed
- Pathology and Laboratory Medicine Acceptance and Rejection Criteria
Performance
Methodology
- Electrochemiluminescence immunoassay
Days/times performed
| Availability |
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| Testing site |
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Maximum laboratory time
- In Hospital reported within 2 hours
- Community urgent and inter-hospital reported within 4 hours
- Community routine reported within 24 hours
Specimen retention time
- 3 days
Other information
- Limitations - Due to the risk of cross reactivity, this assay should not be used when monitoring estradiol levels in patients being treated with Fulvestrant
Last Updated: October 24, 2024