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Test Name:
Somatostatin
- SBMF No:
43211 - Performance Lab Name:
Quest Diagnostics Nichols Institute - Test Mnemonic:
SOMATO - ABN:
Required – Not FDA-Approved - CPT Code:
84307 - LOINC Code:
19146-0 - Ref Lab Test No:
34480 - Also Known As:
Somatotropin Release Inhibiting Factor (SRIF) - Spec Type:
Plasma - Spec Container:
Lavender top (EDTA) tube, Pre-chilled - Pref Vol:
1.8 mL - Min Vol:
0.6 mL - Fasting:
No - Spec Collect:
Draw in a pre-chilled lavender top tube
Routine venipuncture - Spec Process:
Promptly centrifuge 15 minutes
Immediately transfer plasma to separate plastic tube and freeze - Spec Store Transport:
Frozen - Spec Stability:
After separation from cells:
8 hours room temperature (20-30°C)
8 hours refrigerated (2-8°C)
28 days frozen (-20°C) – Do not use frost-free units that undergo repeated freeze/thaw cycles - Spec Reject:
Grossly hemolyzed or icteric specimen
Thawed specimen
Specimen received room temperature or refrigerated - Spec Remarks:
CRITICAL FROZEN. Separate specimens must be submitted when multiple tests are ordered
Separate plasma from cells ASAP and freeze - Methodology:
Extraction
Radioimmunoassay - Clinical Significance:
Somatostatin is a 14-amino acid peptide found in the hypothalamus, pancreas, gastric mucose, and intestine. It is a potent inhibitor of pituitary, pancreatic, and GI hormones but posses other non-endocrine functions as well. Somatostatin is rapidly degraded in blood. - Reference Range:
Adult: < or = 30 pg/mL - Additional Test Info:
This test was developed and its performance characteristics have been determined by Quest Diagnostics Nichols Institute, San Juan Capistrano. It has not been cleared or approved by the U.S. Food and Drug Administration. The FDA has determined that such clearance or approval is not necessary. Performance characteristics refer to the analytical performance of the test. - Day Run:
Sets up 1 day a week - Time Reported:
Reports in 6 days
This is a sendout test. Please note that turnaround time is defined as the anticipated time from set up day to results release. - Test Type:
HORMONE
