Somatostatin
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Somatostatin, Plasma
Test ID: SOMSTAT
Test
Method
Extraction/Immunoassay
Report Includes
Specimens
Plasma (EDTA)
Clinical Utility
Somatostatin is a neurohormone produced in the brain, hypothalamus and gastrointestinal tract. This test is used to diagnose somatostatin-producing tumors. Elevated levels are observed with somatostatinoma, medullary thyroid carcinoma and pheochromocytoma.
Test Location
Quest Diagnostics, California USA
Test Version
30-Sep-2019
Specimen
Specimens
Plasma (EDTA)
Collection Containers
Preferred
Plasma (EDTA lavender top)
Sample Volume
1.8 mL
Minimum Volume
0.6 mL
Specimen Comment
Navy blue top EDTA plasma is not acceptable.
Collection & Handling
Collection Instructions
Collect specimen in a pre-chilled tube.
Handling Information
Separate and freeze immediately. Do not thaw. Store and send frozen.
Stability
| Ambient | 8 hours |
|---|---|
| Refrigerated | 8 hours |
| Frozen | 28 days |
Rejection Criteria
| Hemolysis | Gross |
|---|---|
| Lipemia | Gross |
| Other | Grossly icteric |
| Specimen | Royal blue top tube |
Test Version
30-Sep-2019
Performance / Interpretation
Method
Extraction/Immunoassay
Turnaround Time
12 days
Results
| Name | Units | Reference Range | Conversion Factor | |
|---|---|---|---|---|
| Somatostatin | pg/mL |
|
||
Test Location
Quest Diagnostics, California USA
Test Version
30-Sep-2019
Interface / Setup
Test Version
30-Sep-2019