Casandra
Casandra Test Code LC90934Version 1 (DRAFT)
Performing Lab
Cortisol, Free, Total With CBG (Endocrine Sciences)
Clinical Use
Order TestUse
This test measures total cortisol, cortisol‑binding globulin (CBG), free cortisol, and percent free cortisol—providing a comprehensive assessment of cortisol status including binding protein and free fraction which can be vital in evaluating adrenal disorders such as Cushing’s syndrome or adrenal insufficiency.
Special Instructions
Not provided.
Limitations
Not provided.
Test Details
Methodology
Mass Spectrometry
Biomarkers
4 targets
Cortisol‑binding globulin (CBG)Cortisol, totalFree cortisolPercent free cortisol
LOINC Codes
Order Codes
- 68315-1 - Transcortin+Cortis F pnl SerPl
Result Codes
- 3033-8 - Transcortin Ser-mCnc
- 2143-6 - Cortis SerPl-mCnc
- 2145-1 - Cortis F SerPl-mCnc
- 65364-2 - Cortis F/Total MFr SerPl
Result Turnaround Time
6-12 days
Related Documents
For more information, please review the documents below
Specimen Requirements
Specimen
Serum
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.
Storage Instructions
Freeze. Stable at room temperature for one day or refrigerated for one day. Stable for one year frozen.
Stability Requirements
| Temperature | Period |
|---|---|
| Room Temperature | 1 day |
| Refrigerated | 1 day |
| Frozen | 1 year |
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