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Somatostatin
MessagePRE-CHILL EDTA TUBE.
TAKE TO PROCESSING ASAP.
SEPARATE AND FREEZE EDTA PLASMA IMMEDIATELY.
DO NOT THAW
TAKE TO PROCESSING ASAP.
SEPARATE AND FREEZE EDTA PLASMA IMMEDIATELY.
DO NOT THAW
Test Code
34480
Alias/See Also
LAB1095
CPT Codes
84307
Preferred Specimen
1.8 mL plasma collected in an EDTA (lavender-top) tube
Minimum Volume
0.6 mL
Instructions
Draw in a pre-chilled lavender-top tube. Separate and freeze immediately. Do not thaw.
Transport Container
Transport tube
Transport Temperature
Frozen
Specimen Stability
Room temperature: 8 hours
Refrigerated: 8 hours
Frozen: 28 days
Refrigerated: 8 hours
Frozen: 28 days
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Gross hemolysis • Grossly lipemic • Received room temperature • Received refrigerated • EDTA (royal blue-top) • Grossly icteric
Methodology
Extraction • Immunoassay (IA)
FDA Status
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.
Setup Schedule
Tues
Report Available
7 days
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 Nichols Institute-San Juan Capistrano, CA |
33608 Ortega Highway |
San Juan Capistrano, CA 92675-2042 |