Electrochemiluminescence Immunoassay (ECLIA)
Specimen requirements | |
|---|---|
| Patient preparation | Dietary supplements containing biotin may interfere in assays and may skew results to be either falsely high or falsely low. For patients receiving the recommended daily doses of biotin, draw samples at least 8 hours following the last biotin supplementation. For patients on mega-doses of biotin supplements, draw samples at least 72 hours following the last biotin supplementation. |
| Preferred specimen(s) | 1 mL serum |
| Minimum volume | 0.5 mL |
| Collection instructions | Allow blood to clot at room temperature (20-26° C) and centrifuge immediately to separate the serum from the cells. Freeze as soon as possible. |
| Transport container | Transport tube |
| Transport temperature | Frozen |
| Specimen stability | Room temperature: Unacceptable Refrigerated: 24 hours Frozen 21 days |
| Reject criteria | Hemolysis • Heat inactivated specimens • Specimens stabilized with azide • Patient administered with biotin within 8 hours |
| Male (ng/mL) | Female (ng/mL) | |
| 0-4 Years | Not established | Not established |
| 5-9 Years | 47-142 | 47-142 |
| 10-13 Years | 49-167 | 49-167 |
| 14-17 Years | 26-203 | 14-85 |
| >17 Years | 9-38 | 8-32 |
Reference ranges are provided as general guidance only. To interpret test results use the reference range in the laboratory report.
*The CPT codes provided are based on AMA guidance and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payer being billed.
This material contains content from LOINC® (http://loinc.org). The LOINC Table, LOINC Table Core are copyright © 1995-2019, Regenstrief Institute, Inc. and the Logical Observation Identifiers Names and Codes (LOINC) Committee and is available at no cost under the license at http://loinc.org/license.
The tests listed by specialty and category are a select group of tests offered. For a complete list of Quest Diagnostics tests, please adjust the filter options chosen, or refer to our Directory of Services.