Casandra
Casandra Test Code QD68666Version 1 (DRAFT)
Performing Lab
Corticosterone
Clinical Use
Order TestUse
Measurement of corticosterone may help confirm the diagnosis of the very rare aldosterone deficiency disorder, corticosterone methyl oxidase (18‑hydroxylase) enzyme deficiency where the ratio of corticosterone to 18‑hydroxycorticosterone may be increased.
Special Instructions
Not provided.
Limitations
Not provided.
Test Details
Methodology
Mass Spectrometry
Biomarkers
Corticosterone
AnalyteCorticosterone
Concentration / Level • Quantitative (Continuous) (e.g., copies/mL, % expression)
Result Turnaround Time
2-10 days
Related Documents
For more information, please review the documents below
Specimen Requirements
Specimen
Serum
Volume
1 mL
Minimum Volume
0.5 mL
Collection Instructions
Separate serum after clotting. An early morning specimen is preferred.
Storage Instructions
Refrigerated (cold packs)
Stability Requirements
| Temperature | Period |
|---|---|
| Room Temperature | 3 days |
| Refrigerated | 14 days |
| Frozen | 1 year |
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