Estriol, Serum
| Abbrev Code: | ESTRI | ||
| Order Code: | LAB3454 | Order Name: | ESTRIOL |
| Synonyms: | E3, Serum; Estriol, Unconjugated | ||
| Methodology: | Chemiluminescent immunoassay | ||
| CPT Codes: | 82677 x1 | ||
| Turnaround Time: | Specimens are sent to reference laboratory Mon-Sat; results are reported in 2-3 days. | ||
| Special Instructions: | Patient gestational age required. | ||
Collection Instructions
| Specimen: | Blood |
| Optimal Volume: | 2 mL |
| Minimum\Peds Volume: | 1.4 mL |
| Container: | Red or gold (gel) Alternate Containers: Red (no gel) |
| Causes for Rejection: | Plasma |
Processing and Shipping
| Specimen Processing: | Centrifuge and aliquot 1 mL, 0.6 mL minimum. |
| Shipping Instructions: | Ship refrigerated. |
| Stability: | 72 hours at room temperature; 2 weeks refrigerated; 1 year frozen. |
| Test Performed at or Referral Lab | Lab Sendouts (ARUP) |
| Referral Lab number: | 70051 (EST) |
Interpretive
| Reference Range: |
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| Use: | Evaluate fetal well-being and placental function, especially in high risk pregnancies. |
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