Casandra
Casandra Test Code QD05996Version 1 (DRAFT)
Performing Lab
Estradiol, Ultrasensitive, LC/MS
Clinical Use
Order TestUse
Diagnostic applications of estradiol assays include assessment of ovarian function in a wide variety of situations (menstrual disorders, precocious or delayed puberty, assisted reproduction protocols). For men, estradiol measurement may be useful in the evaluation of gynecomastia.
Special Instructions
Specify age and sex on test request form.
Limitations
Not provided.
Test Details
Methodology
Mass Spectrometry
Biomarkers
Estradiol
AnalyteQuantitation • Concentration / Level • Quantitative (Continuous) (e.g., copies/mL, % expression)
Result Turnaround Time
2-5 days
Related Documents
For more information, please review the documents below
Specimen Requirements
Specimen
Serum
Volume
0.5 mL
Minimum Volume
0.2 mL
Container
Red‑top tube (no gel)
Causes for Rejection
Serum separator tube (SST) • Grossly icteric
Stability Requirements
| Temperature | Period |
|---|---|
| Room Temperature | 24 hours |
| Refrigerated | 7 days |
| Frozen | 28 days |