Copeptin

Test Code
12661


Preferred Specimen
1 mL Serum


Minimum Volume
0.5 mL Serum


Other Acceptable Specimens
1 mL Plasma


Transport Container
Serum
__Red-top (no gel) (preferred)
__SST (red-top)
Plasma
__EDTA (lavender-top)
__Sodium heparin (green-top)


Transport Temperature
Serum and Plasma: Frozen preferred; Room temperature
_unacceptable; Refrigerated acceptable


Specimen Stability
Serum or Plasma
__Room temperature: 24 Hours
__Refrigerated: 72 Hours
__Frozen: 28 Days


Methodology
Immunofluorescence Assay

Setup Schedule
Night Sets up 3 days a week.


Report Available
Reports in 3 to 5 days.


Clinical Significance
The Copeptin test is used in the diagnosis of central
diabetes insipidus and in the differential diagnosis of
central or nephrogenic diabetes insipidus. It is a reliable
surrogate marker for arginine vasopressin (AVP).




The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.