Order Code LAB4177 Somatostatin (Somatotropin Release-Inhibiting Factor, SRIF)
Reporting Name
Somatostatin (Plasma)Performing Laboratory
Inter Science InstituteSpecimen Type
GI PlasmaSpecimen 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 Minimum Volume
1 mL
Specimen Stability Information
Specimen Type | Temperature | Time | Special Container |
---|---|---|---|
GI Plasma | Frozen | 180 days |
Reference Values
Up to 25 pg/mL
Day(s) Performed
Monday through Friday
CPT Code Information
84307
Reject Due To
Gross hemolysis | Reject |
Gross lipemia | Reject |
Gross icterus | Reject |
Method Name
Direct Radioimmunoassay (RIA)