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HelpTest Code Billings Clinic: 8788 Mayo: FSOMA Somatostatin (Somatotropin Release-Inhibiting Factor, SRIF)
Reporting Name
Somatostatin (Plasma)Performing Laboratory
Inter Science InstituteMethod Name
Direct Radioimmunoassay (RIA)
Specimen Required
1. Patient should be fasting 10 to 12 hours prior to collection.
2. Patient should not be on any medications that affect insulin secretion or intestinal motility, if possible, for at least 48 hours prior to collection.
Specimen Type: GI Plasma
Container/Tube:
Preferred: EDTA tube containing GI preservative (T125)
Acceptable: EDTA purple top plasma tube
Specimen Volume: 3 mL
Collection Instructions:
1. Collect 10 mL of blood in special tube containing GI Preservative (T125), EDTA purple-top plasma tube is acceptable.
2. Specimen should be separated immediately.
3. Send 3 mL plasma frozen as soon as possible.
Specimen Type
GI PlasmaSpecimen Minimum Volume
1 mL
Specimen Stability Information
| Specimen Type | Temperature | Time | Special Container |
|---|---|---|---|
| GI Plasma | Frozen | 180 days |
Reject Due To
| Gross hemolysis | Reject |
| Gross lipemia | Reject |
| Gross icterus | Reject |
Reference Values
Up to 25 pg/mL
Day(s) Performed
Monday through Friday
Report Available
9 to 11 daysTest Classification
This test was developed and its performance characteristics determined by Inter Science Institute. It has not been cleared or approved by the US Food and Drug Administration. The FDA has determined that such clearance or approval is not necessary.CPT Code Information
84307
LOINC Code Information
| Test ID | Test Order Name | Order LOINC Value |
|---|---|---|
| FSOMA | Somatostatin (Plasma) | 2961-1 |
| Result ID | Test Result Name | Result LOINC Value |
|---|---|---|
| Z0933 | Somatostatin, (Plasma) | 2961-1 |