Casandra
Casandra Test Code QD25791Version 1 (DRAFT)
Performing Lab
Copeptin
Also known as: C-Terminal pro-vasopressin, CT-proAVP
Clinical Use
Order TestUse
The Copeptin test is used in the diagnosis of central diabetes insipidus and for the differential diagnosis between central and nephrogenic diabetes insipidus. Copeptin acts as a stable and reliable surrogate marker for arginine vasopressin (AVP), aiding in accurate endocrine evaluation and decision making.
Special Instructions
Not provided.
Limitations
Not provided.
Test Details
Methodology
Immunoassay (Immunofluorescence Assay)
Biomarkers
Copeptin
ProteinConcentration / Level • Quantitative (Continuous) (e.g., copies/mL, % expression)
Result Turnaround Time
3-5 days
Related Documents
For more information, please review the documents below
Specimen Requirements
Specimen
Serum
Volume
1 mL
Minimum Volume
0.5 mL
Causes for Rejection
Gross hemolysis
Stability Requirements
| Temperature | Period |
|---|---|
| Room Temperature | 24 hours |
| Refrigerated | 72 hours |
| Frozen | 28 days |