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HelpTest Code ESTRAD Estradiol
Synonyms/Keywords
Estrogen, Serum, E2, Beta 17
Specimen Requirements
| Fasting Required | Specimen Type | Preferred Container/Tube | Acceptable Container/Tube | Specimen Volume | Specimen Minimum Volume (allows for 1 repeat) |
Pediatric Minimum Volume (no repeat) |
|---|---|---|---|---|---|---|
| No | Plasma/Serum | Lithium Heparin Plasma Separator Tube (PST) | Lithium Heparin Green Top Tube (GTT), EDTA Lavender Top Tube (LTT), Serum Separator Tube (SST), Red Top Tube (RTT) | 1.0 mL | 0.5 mL | 0.3 mL |
- GTT/RTT- physically separate plasma or serum from contact with cells as soon aspossible of before transport. Separatefrom cells within 30 minutes to minimize uptake of corticosteroids by RBCs
Collection/Processing Instructions
Samples collected in a RTT must be removed from the clot within one hour for storage or transport. Samples collected in gel barrier tubes must be removed from the primary tube prior to transporting to Marshfield. Do not send the primary collection tube.
Specimen Stability Information
| Specimen Type | Temperature | Time |
|---|---|---|
| Plasma/Serum | Ambient | 8 hours |
| Refrigerated | 7 days | |
| Frozen | >7 days |
Rejection Criteria
Gross Hemolysis
Gross Icterus
Interferences
Human Anti-Murine Antibodies (HAMA) may develop leading to test interference in patients receiving murine based chemotherapy agents or tumor-imaging studies.
Reference Range Information
| Performing Location | Reference Range |
|---|---|
| Marshfield | Early follicular: 22.4-115 Mid follicular: 25-115 Ovulatory Peak: 32.1-517 Mid Luteal: 36.5-246 Post menopausal: ≤25.1 0 to <1 year: ≤38.2 1 to <12 years (pre-puberty female): ≤16 12 to <19 years (puberty female): ≤196 1 to <12 years (pre-puberty male): <15 12 to <19 years (puberty male): ≤34.8 Males >19 years: <15-31.5 |
Marshfield Labs Performing Department
Marshfield Labs Chemistry
Performing Information
| Performing Location | Day(s) Test Performed | Analytical Time | Methodology/Instrumentation |
|---|---|---|---|
| Marshfield | Monday through Friday | Less than 2 hours | Beckman Coulter DXI |
CPT Codes
| CPT | Modifier (if needed) |
Quantity | Description | Comments |
|---|---|---|---|---|
| 82670 |
Outreach CPT Codes
| CPT | Modifier (if needed) |
Quantity | Description | Comments |
|---|---|---|---|---|
| 82670 |
Ordering Applications
| Ordering Application | Description |
|---|---|
| Cerner | Estradiol Level |