Last Modified: 9/15/2022 9:46:12 AM

Medical Necessity Documentation:  
Client Notes:  
Patient Preparation:  
Specimen Requirements: 1.0 mL Frozen Serum from a Red Top Tube in a Plastic Vial
Collection Instructions:  
Minimum Volume: 0.5 mL Plasma
Transport & Storage: Temperature/Stability: 24 hours Ambient 
72 hours Refrigerated
28 days Frozen (transport)
Rejection Criteria: Gross hemolysis
Reference Range: < 3 Years: Not Established
3 to < 18 Years: 2 - 26 pmol/L
> or = 18 Years: < or = 14 pmol/L  
Critical Ranges:  
Test Comments:  
Methodology: Immunofluorescent Assay (IFA)
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)
Custom Panel: No


Turn Around Time: 4 to 5 days
Days Performed: Monday, Wednesday, Saturday
Sites Performed: Quest - Chantilly to San Juan Capistrano
PHL Test Code: MSOT
EPIC Test Code: MISC
Send Out Test Code: 37740
Alternate Test Names: Antidiuretic hormone; C-Terminal pro-vasopressin; CT-proAVP
Included Tests:  
CPT Coding: 86255

Go back to the top of the page.