8 days
Immunochemiluminometric assay (ICMA)
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Measures gastrin hormone levels. Used in evaluation of gastrinomas and Zollinger-Ellison syndrome.
Serum
0.5 mL
Red-top tube or gel-barrier tube
The patient must be fasting overnight, 12 to 14 hours.
This test does not require any special collection or pre-analytical handling. Follow routine specimen collection protocols.
| Temperature | Period |
|---|---|
| Frozen | 14 days |