Expected Turnaround Time
5 - 8 days
Turnaround time is defined as the usual number of days from the date of pickup of a specimen for testing to when the result is released to the ordering provider. In some cases, additional time should be allowed for additional confirmatory or additional reflex tests. Testing schedules may vary.
Related Documents
Specimen Requirements
Specimen
Serum, frozen
Volume
2 mL
Minimum Volume
0.2 mL (Note: This volume does not allow for repeat testing.)
Container
Red-top tube or gel-barrier tube
Collection
Separate serum from cells within one hour of collection. Transfer specimen to a plastic transport tube before freezing. Store and ship frozen. To avoid delays in turnaround time when requesting multiple tests on frozen samples, please submit separate frozen specimens for each test requested.
Storage Instructions
Freeze.
Stability Requirements
Temperature | Period |
|---|---|
Room temperature | 3 days |
Refrigerated | 3 days |
Frozen | 300 days |
Freeze/thaw cycles | Stable x3 |
Test Details
Methodology
Liquid chromatography/tandem mass spectrometry (LC/MS-MS)
LOINC® Map
| Order Code | Order Code Name | Order Loinc | Result Code | Result Code Name | UofM | Result LOINC |
|---|---|---|---|---|---|---|
| 500135 | Corticosterone, Serum | 2139-4 | 500136 | Corticosterone | ng/dL | 2139-4 |