Casandra
Casandra Test Code LC11223Version 1 (DRAFT)
Performing Lab
Estradiol Free, Equilibrium Dialysis, With Total Estradiol, HPLC/MS‑MS (Endocrine Sciences)
Clinical Use
Order TestUse
This test provides measurement of both free estradiol via equilibrium dialysis and total estradiol using HPLC‑MS/MS, offering a comprehensive assessment of bioactive hormone levels in serum, aiding in evaluation of endocrine function.
Special Instructions
Not provided.
Limitations
Not provided.
Test Details
Methodology
Mass Spectrometry
Biomarkers
Estradiol, Free Serum
AnalyteEstradiol, Free Serum • Concentration / Level • Quantitative (Continuous) (e.g., copies/mL, % expression)
Free Estradiol, Percent
AnalyteFree Estradiol, Percent • Concentration / Level • Quantitative (Continuous) (e.g., copies/mL, % expression)
Free Estradiol, Serum
AnalyteFree Estradiol, Serum • Concentration / Level • Quantitative (Continuous) (e.g., copies/mL, % expression)
LOINC Codes
Order Codes
- 2240-0
- 500431
- 500432
- 502608
Result Codes
- 35384-7
- 14960-9
- 2240-0
Result Turnaround Time
9-12 days
Related Documents
For more information, please review the documents below
Specimen Requirements
Specimen
Serum
Volume
3 mL
Minimum Volume
1 mL
Container
Gel‑barrier tube or red‑top tube
Collection Instructions
Serum must be separated from cells within 45 minutes of venipuncture. Send serum in a plastic transport tube. To avoid delays in turnaround time when requesting multiple tests on frozen samples, please submit separate frozen specimens for each test requested.
Storage Instructions
Freeze
Causes for Rejection
Plasma sample
Stability Requirements
| Temperature | Period |
|---|---|
| Room Temperature | 1 day |
| Refrigerated | 6 days |
| Frozen | 32 months |