Specimen Requirements
Title
Arginine Vasopressin Hormone (Anti-Diuretic Hormone)
Specimen Requirement
Collect lavender EDTA/2.0 mL plasma, within 2 hours of collection centrifuge and transfer 2.0 mL plasma to a screw top plastic vial, indicate sample type on tube and send on dry ice.
Critical frozen.
Methodology
Radioimmunoassay (RIA)
Stability
Room temp: Unstable, Refrigerated: Unstable, Frozen: 4 weeks
Reference Range
The reference range is determined by the performing laboratory and will show on the report.
Turnaround
4-12 days
Clinical Use
This test is useful for the differential diagnosis of patients with water balance disorders, including diabetes insipidus in conjunction with osmolality and hydration status.
Test Code
ADH