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