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A B C D E F G H I J K L M N O P Q R S T U V W X Y Z # |
Gastrin
Test Code478
CPT Codes
82941
Preferred Specimen
1 mL frozen serum
Patient Preparation
Overnight fasting (12 hours)
Minimum Volume
0.5 mL
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
Plastic screw-cap vial
Transport Temperature
Frozen
Specimen Stability
Room temperature: Unacceptable
Refrigerated: Unacceptable
Frozen: 28 days
Refrigerated: Unacceptable
Frozen: 28 days
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Gross hemolysis • Gross lipemia • Received thawed • Grossly icteric
Methodology
Immunoassay (IA)
Setup Schedule
Set up: Tue, Thu, Sat; Report available: 1-4 days
Clinical Significance
For the diagnosis and monitoring of gastrin-secreting tumors, gastric ulcer, Zollinger-Ellison syndrome. Increased in pernicious anemia.