| ESTRADIOL, serum (LAB000406) | |
|---|---|
| Test Mnemonic: | SNSE2 |
| Specimen Requirements: | |
| Test Included: | Sensitive Estradiol |
| Collection: | 7mL of blood in SST/gel barrier tube or red-topped tube. Acceptable: plasma heparin (Min.: 3mL of blood). |
| Container: | SST, Red Top, RST |
| Minimum Volume: | 3 mL |
| Storage/Transport: | Delivered to Sample Management within 2 hours of collection. |
| Specimen Preparation: | Allow specimen to clot completely at room temperature. Centrifuge to separate serum from cells within 2 hours of collection. Transfer serum from collection tube to labeled plastic transport tube. |
| Stability: | Room temperature for ≤ 8 hours, refrigerated for ≤ 7 days. |
| Causes for Rejection: | Incomplete and/or incorrect sample identification, improper storage/transport , and gross hemolysis or lipemia |
| Reference Range: | By report (reports may vary based on instrumentation, patient age and sex) |
| Turnaround Time: | M-F: within 24 hours |
| Methodology: | competitive binding immunoenzymatic |
| Performed: | Special Chemistry; Monday – Friday: 7am – 3:30 pm |
| Synonyms: | Sensitive E2 |
| Patient Preparation : | Draw before a meal to avoid excess lipids in blood. |
| CPT 4 Code: | 82670 |
| Note: | The test cannot be ordered more than once per week. Additional requests must be approved by the laboratory director. |
| When ordering tests for which Medicare or Medicaid reimbursement will be sought, physicians should only order tests that are medically necessary for the diagnosis or treatment of the patient. Components of the organ or disease panels may be ordered individually. The diagnostic information must substantiate all tests ordered and must be in the form of an ICD-10 code or its verbal equivalent. | |