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Somatostatin : 34480
Test CodeSOMATQ or 34480
CPT Codes
84307
Instructions
Draw in a pre-chilled lavender-top tube. Separate and freeze immediately. Do not thaw.
Transport Container
Specimen
1.8 mL plasma collected in an EDTA (lavender-top) tube
Minimum Volume
0.6 mL
1.8 mL plasma collected in an EDTA (lavender-top) tube
Minimum Volume
0.6 mL
Transport Temperature
Frozen.
Specimen Stability
Room temperature: 8 hours; Refrigerated: 8 hours; Frozen: 28 days
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Received room temperature, Received refrigerated, Gross hemolysis, Lipemic, Grossly icteric, Samples collected in a serum separator tube
Methodology
Extraction, Immunoassay
Setup Schedule
Tuesday
Report Available
7 days (From receipt at performing laboratory)
Limitations
This test was developed and its analytical performance characteristics have been determined by Quest Diagnostics. It has not been cleared or approved by FDA. This assay has been validated pursuant to the CLIA regulations and is used for clinical purposes.
Reference Range
≤30 pg/mL
Clinical Significance
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.
Performing Laboratory
Quest Diagnostics
