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Copeptin Blood Test

The copeptin test determines whether a person has central diabetes insipidus and in the differential diagnosis of nephrogenic or central diabetes insipidus.  This test is a reliable arginine vasopressin (AVP) surrogate marker. 


Test Code: 37740

CPT Code: 86255

Also Known As: C-Terminal pro-vasopressin; CT-proAVP

Methodology:

Immunofluorescence Assay (IFA)

Preparation:

No special preparation required.

Test Results:

5-7 days. May take longer based on weather, holiday or lab delays.

Description

The copeptin test determines whether a person has central diabetes insipidus and in the differential diagnosis of nephrogenic or central diabetes insipidus.  This test is a reliable arginine vasopressin (AVP) surrogate marker. 

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