cAMP, Plasma
13 days
Radioimmunoassay (RIA)
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Measures cAMP in blood or urine. Used in endocrine disorder assessment.
Plasma
0.5 mL
Lavender-top (EDTA) tube
No special preparation is required for this test. You may eat, drink, and take your medications as normal, unless instructed otherwise by your healthcare provider.
Keep blood samples on ice and centrifuge as soon as possible. Separate plasma from cells and transfer to a plastic transport tube. Freeze immediately. 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 | 9 days |
| Freeze/thaw cycles | Stable x3 |