Vasopressin
16 days
Radioimmunoassay (RIA)
Accredited Laboratory Partner
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Measures ADH (vasopressin) levels in blood. Helps evaluate fluid and electrolyte disorders.
Plasma
2 mL
Lavender-top (EDTA) tube
No isotopes administered within 24 hours prior to venipuncture. You may eat, drink, and take your medications as normal, unless instructed otherwise by your healthcare provider.
Centrifuge in a refrigerated centrifuge, separate plasma, and freeze immediately. Transfer specimen to a plastic transport tube before freezing. To avoid delays in turnaround time when requesting multiple tests on frozen samples, please submit separate frozen specimens for each test requested
| Temperature | Period |
|---|---|
| Frozen | 4 weeks |