Casandra
Casandra Test Code LC52430Version 1 (DRAFT)
Performing Lab
Estrone
Also known as: E1
Clinical Use
Order TestUse
Evaluate postmenopausal vaginal bleeding due to peripheral conversion of androgenic steroids. Increased estrone levels may be associated with increased levels of circulating androgens and their subsequent peripheral conversion.
Special Instructions
Nonpregnant patients only.
Limitations
Test results may not be applicable to pregnant patients. Factors such as obesity can influence estrone levels due to increased conversion of androstenedione to estrone.
Test Details
Methodology
Immunoassay (EIA)
Biomarkers
Estrone
AnalyteEstrone, Serum • Concentration / Level • Quantitative (Continuous) (e.g., copies/mL, % expression)
LOINC Codes
Order Codes
- 2258-2
Result Codes
- 2258-2
Result Turnaround Time
4-5 days
Related Documents
For more information, please review the documents below
Specimen Requirements
Specimen
Serum
Volume
0.6 mL
Minimum Volume
0.4 mL
Container
Gel-barrier serum separator tube; red top tubes (without gel barrier) should not be used
Storage Instructions
Room temperature
Causes for Rejection
Sample collected with any tube other than a gel barrier (serum separator) tube; hemolysis
Stability Requirements
| Temperature | Period |
|---|---|
| Room Temperature | 14 days |
| Refrigerated | 14 days |
| Frozen | 14 days |