Find Locations
For hours, walk-ins and appointments.Expected Turnaround Time
1 - 4 days
Turnaround time is defined as the usual number of days from the date of pickup of a specimen for testing to when the result is released to the ordering provider. In some cases, additional time should be allowed for additional confirmatory or additional reflex tests. Testing schedules may vary.
Related Documents
Specimen Requirements
Specimen
Serum
Volume
0.8 mL
Minimum Volume
0.5 mL (Note: This volume does not allow for repeat testing.)
Container
Red-top tube or gel-barrier tube
Collection
If tube other than a gel-barrier tube is used, transfer separated serum to a plastic transport tube.
Storage Instructions
Room temperature
Stability Requirements
Temperature | Period |
|---|---|
Room temperature | 7 days |
Refrigerated | 14 days |
Frozen | 14 days |
Freeze/thaw cycles | Stable x3 |
Causes for Rejection
Gross hemolysis; gross lipemia; icteric specimen
Test Details
Use
Evaluate for ovarian estrogen producing tumor in the premenarcheal and postmenopausal female; evaluate estrogen excess in males. Estrogen analysis may be helpful in establishing time of ovulation and optimal time for conception. Serial samples must be collected over several days to evaluate baseline and peak total estrogen levels.
Methodology
Enzyme-linked immunoassay (ELISA)
Reference Interval
See table.1
Age | Male (pg/mL) | Female (pg/mL) |
|---|---|---|
Prepubertal | <40 | <40 |
Adults | 56−213 | Female Cycle: |
1 to 10 d: 16−328 | ||
11 to 20 d: 34−501 | ||
21 to 30 d: 48–350 | ||
Post-menopausal: 40–244 |
Footnotes
1. Tietz NW, ed. Clinical Guide to Laboratory Tests. 3rd ed. Philadelphia, Pa: WB Saunders Co;1995:220.
References
Ashby CD, Danzer HC, Swerdloff RS, et al. Estrogen radioimmunoassay suitable for the monitoring of ovulation induction. Clin Chem. 1980; 26(8):1143-1146. 7389084
Marshall JR. Induction of ovulation. Clin Obstet Gynecol. 1978; 21(1):147-162 (review). 343954
Taymor ML, Yussman MA, Gminski D, et al. Estrogen monitoring in ovulation induction. Fertil Steril. 1970; 21(11):759-762.5474219
LOINC® Map
| Order Code | Order Code Name | Order Loinc | Result Code | Result Code Name | UofM | Result LOINC |
|---|---|---|---|---|---|---|
| 004549 | Estrogens, Total | 2254-1 | 004549 | Estrogens, Total | pg/mL | 2254-1 |
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