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HelpTest Code FSOM1 Somatostatin (Somatotropin Release-Inhibiting Factor, SRIF)
Specimen Required
Patient Preparation:
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.
Collection Container/Tube:
Preferred: Lavender top (EDTA)
Acceptable: Special ISI GI preservative plasma tube (T125)
Submission Container/Tube: Plastic vial
Specimen Volume: 3 mL
Collection Instructions:
1. Centrifuge as soon as possible and aliquot 3 mL of plasma into a plastic vial.
2. Freeze plasma immediately after separation and ship frozen.
Method Name
Direct Radioimmunoassay
Reporting Name
Somatostatin (Plasma)Specimen Type
Plasma EDTASpecimen Minimum Volume
1 mL
Specimen Stability Information
| Specimen Type | Temperature | Time | Special Container |
|---|---|---|---|
| Plasma EDTA | Frozen (preferred) | 180 days | |
| Refrigerated | 7 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 daysPerforming Laboratory
Inter Science InstituteTest Classification
This test was developed and its performance characteristics determined by Inter Science Institute. Values obtained with different methods, laboratories, or kits cannot be used interchangeably with the results on this report. The results cannot be interpreted as absolute evidence of the presence or absence of malignant disease.CPT Code Information
84307