Casandra
Casandra Test Code QD07843Version 1 (DRAFT)
Performing Lab
ACTH Stimulation, 3 Specimens
Also known as: Cortrosyn Stimulation, Cosyntropin Stimulation
Clinical Use
Order TestUse
Test for adrenal function/Addison’s disease using three timed cortisol measurements (baseline, 30 minutes, and 60 minutes post–ACTH administration).
Special Instructions
Draw baseline specimen before ACTH administration; administer 250 mcg Cortrosyn (cosyntropin) by rapid IV push; draw specimens at 30 and 60 minutes post‑administration; clearly mark collection times on all tubes. Cortrosyn not supplied by the laboratory.
Limitations
Not provided.
Test Details
Methodology
Immunoassay (Other)
Biomarkers
Cortisol
AnalyteCortisol at three timepoints • Concentration / Level • Quantitative (Continuous) (e.g., copies/mL, % expression)
Result Turnaround Time
1 day
Related Documents
For more information, please review the documents below
Specimen Requirements
Specimen
Serum
Volume
1 mL serum in three separate tubes
Minimum Volume
0.5 mL (each)
Collection Instructions
Draw baseline before ACTH; then at 30 and 60 minutes; mark time on tubes
Stability Requirements
| Temperature | Period |
|---|---|
| Room Temperature | 7 days |
| Refrigerated | 7 days |
| Frozen | 28 days |