Estrogens, Fractionated, LC/MS
Test Code
Clinical Significance
Estrogens, Fractionated, LC/MS -
This panel measures the concentrations of estrone, estradiol, and estriol, the 3 main types of estrogens in serum. This panel may be useful in assessing estrogen status.
Estrogens are endogenous steroids that regulate growth and maintenance of sex organs and secondary sex characteristics in women. Estrogens also have effects on many other organ systems such as maintenance of bone density, production of liver proteins, arterial vasodilation, reduction of intraocular pressure, and influence on mood [1]. Measurements of estrogens may help evaluating sexual maturity, menstrual abnormalities, ...
Test Resources
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Test Details
Estradiol, Ultrasensitive, LC/MS
Estriol, Serum
Methodology
Reference Range(s)
Preferred Specimen(s)
2.5 mL serum collected in a red-top tube (no gel)
Minimum Volume
1.5 mL
Collection Instructions
Specify age and sex on test requisition
Transport Container
Transport tube
Transport Temperature
Refrigerated (cold packs)
Specimen Stability
- Room temperature: 24 hours
Refrigerated: 7 days
Frozen: 28 days
Reject Criteria
Gross hemolysis • Serum separator tube (SST) • Grossly icteric
Setup Schedule
Refrigerated: 7 days
Frozen: 28 days