| Ordering Code | 771 |
|---|---|
| Test Name | Estradiol |
| Alias | E2 ** Note: STAT for approved fertility physicians only ** |
| Preferred Specimen | Serum |
| Preferred Container | SST (Gold) |
| Other Specimen/Container | Plasma in Lithium Heparin (Green), Serum in Plain (Red) |
| Optimum Volume | 0.5 mL |
| Collection Instructions | STAT for approved fertility physicians only |
| Transport Requirements | Oahu: Ambient Airline: Refrigerated |
| Specimen Stability | Ambient: 12 Hours Refrigerated: 2 Days Frozen: 6 Months Frozen samples should be thawed only once. |
| Rejection Criteria | Specimen older than stability limits, Grossly hemolyzed, Insufficient quantity, Heat treated samples |
| Avail. Stat | NO |
| Analytic Time | 1 Day |
| Methodology | Electrochemiluminescence Immunoassay |
Reference range(s)
The reference ranges listed below are valid on this date of July 5, 2025.
| Component | Age | Male Norm | Male Critical Low | Male Critical High | Female Norm | Female Critical High | Female Critical Low | Units | Add'l info |
|---|---|---|---|---|---|---|---|---|---|
| Estradiol | ALL | <61 | pg/mL | ... Note1 |
Note1:
Male: = <61 pg/mL
Female:
Follicular = 12 - 233 pg/mL
Ovulation = 41 - 398 pg/mL
Luteal = 22 - 341 pg/mL
Postmenopause = <138 pg/mL.