Chromatography/Mass Spectrometry
This test was developed and its analytical performance characteristics have been determined by Quest Diagnostics. It has not been cleared or approved by FDA. This assay has been validated pursuant to the CLIA regulations and is used for clinical purposes.
Specimen requirements | |
|---|---|
| Patient preparation | None Specified |
| Preferred specimen(s) | 2 mL serum collected in a red-top tube (no gel) |
| Minimum volume | 0.4 mL |
| Transport container | Transport tube |
| Transport temperature | Refrigerated (cold packs) |
| Specimen stability | Room temperature: 24 hours Refrigerated: 5 days Frozen: 28 days |
| Reject criteria | Gross hemolysis • Grossly lipemic • Grossly icteric • Serum separator tubes (SST) • Received room temperature |
| Adult Males | ≤700 ng/dL |
| Mid Follicular | 38-378 ng/dL |
| Surge | 33-583 ng/dL |
| Mid Luteal | 70-470 ng/dL |
| <30 days | ≤3013 ng/dL |
| 1-11 months | ≤869 ng/dL |
| 1 year | ≤557 ng/dL |
| 2 years | ≤487 ng/dL |
| 3 years | ≤541 ng/dL |
| 4 years | ≤561 ng/dL |
| 5 years | ≤564 ng/dL |
| 6 years | ≤561 ng/dL |
| 7 years | ≤549 ng/dL |
| 8 years | ≤569 ng/dL |
| 9 years | ≤590 ng/dL |
| 10 years | ≤594 ng/dL |
| 11 years | ≤629 ng/dL |
| 12 years | ≤666 ng/dL |
| 13 years | ≤678 ng/dL |
| 14 years | ≤706 ng/dL |
| 15 years | ≤735 ng/dL |
| 16 years | ≤739 ng/dL |
| 17 years | ≤756 ng/dL |
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.