Last Modified: 11/12/2019 3:14:27 PM

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 Serum
Transport & Storage: Temperature/Stability: 24 hours Ambient 
72 hours Refrigerated
28 days Frozen (transport)
Rejection Criteria: Gross hemolysis
Reference Range: < 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

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