Test Details
Methodology
HPLC/tandem mass spectrometry; radioimmunoassay (RIA); calculation of free cortisol
Result Turnaround Time
6 - 12 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.
Test Includes
Cortisol, total; cortisol-binding globulin (CBG); free cortisol; percent free cortisol
Specimen Requirements
Specimen
Serum, frozen
Volume
1 mL
Minimum Volume
0.3 mL
Container
Red-top tube or gel-barrier tube
Collection Instructions
Separate serum within one hour of venipuncture. Transfer specimen to a plastic transport tube before freezing. 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. Stable at room temperature for one day or refrigerated for one day. Stable for one year frozen.
LOINC® Map
| Order Code | Order Code Name | Order Loinc | Result Code | Result Code Name | UofM | Result LOINC |
|---|---|---|---|---|---|---|
| 500440 | CBG with Free Cortisol | 68315-1 | 500131 | Cort.Bind.Glob.(CBG) | mg/dL | 3033-8 |
| 500440 | CBG with Free Cortisol | 68315-1 | 500155 | Cortisol, Serum LCMS | ug/dL | 2143-6 |
| 500440 | CBG with Free Cortisol | 68315-1 | 500441 | Free Cortisol, Serum | ug/dL | 2145-1 |
| 500440 | CBG with Free Cortisol | 68315-1 | 500442 | Percent Free Cortisol, Serum | % | 65364-2 |
| Order Code | 500440 | |||||
| Order Code Name | CBG with Free Cortisol | |||||
| Order Loinc | 68315-1 | |||||
| Result Code | 500131 | |||||
| Result Code Name | Cort.Bind.Glob.(CBG) | |||||
| UofM | mg/dL | |||||
| Result LOINC | 3033-8 | |||||
| Order Code | 500440 | |||||
| Order Code Name | CBG with Free Cortisol | |||||
| Order Loinc | 68315-1 | |||||
| Result Code | 500155 | |||||
| Result Code Name | Cortisol, Serum LCMS | |||||
| UofM | ug/dL | |||||
| Result LOINC | 2143-6 | |||||
| Order Code | 500440 | |||||
| Order Code Name | CBG with Free Cortisol | |||||
| Order Loinc | 68315-1 | |||||
| Result Code | 500441 | |||||
| Result Code Name | Free Cortisol, Serum | |||||
| UofM | ug/dL | |||||
| Result LOINC | 2145-1 | |||||
| Order Code | 500440 | |||||
| Order Code Name | CBG with Free Cortisol | |||||
| Order Loinc | 68315-1 | |||||
| Result Code | 500442 | |||||
| Result Code Name | Percent Free Cortisol, Serum | |||||
| UofM | % | |||||
| Result LOINC | 65364-2 |