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Gastrin : 478
Test CodeGASTRN or 478
CPT Codes
82941
Instructions
Dietary supplements containing biotin may interfere in assays and may skew analyte results to be either falsely high or falsely low. For patients receiving the recommended daily doses of biotin, draw samples at least 8 hours following the last biotin supplementation. For patients on mega-doses of biotin supplements, draw samples at least 72 hours following the last biotin supplementation.
Transport Container
Preferred Specimen
1 mL frozen serum
Minimum Volume
0.5 mL
1 mL frozen serum
Minimum Volume
0.5 mL
Transport Temperature
Frozen.
Specimen Stability
Room temperature: Unacceptable; Refrigerated: Unacceptable; Frozen: 28 days
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Gross hemolysis, Grossly lipemis, Received thawed; Grossly icteric
Methodology
Immunoassay
Setup Schedule
Sunday - Saturday
Report Available
1-5 days
Reference Range
Reference range applies to fasting specimen only
<5 years Not established
5-17 years <65 pg/mL
≥18 years ≤100 pg/mL
Clinical Significance
For the diagnosis and monitoring of gastrin-secreting tumors, gastric ulcer, Zollinger-Ellison syndrome. Increased in pernicious anemia.
Performing Laboratory
med fusion
