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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 478
Test CodeGS
Alias/See Also
GS
CPT Codes
82941
Preferred Specimen
1 mL serum
Patient Preparation
Overnight fasting is required, preferably 12 hours or more.
Minimum Volume
1
Instructions
Fasting specimen preferred. Draw one SST and send serum frozen
Transport Container
SST
Transport Temperature
F
Specimen Stability
Room temperature: Unacceptable
Refrigerated: Unacceptable
Frozen: 28 days
Refrigerated: Unacceptable
Frozen: 28 days
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Gross hemolysis • Grossly lipemic • Received thawed • Grossly icteric
Methodology
Immunoassay (IA)
Setup Schedule
Set up: Mon-Sat; Report available: 1-2 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
Quest Diagnostics Nichols Institute
14225 Newbrook Drive
Chantilly, VA 20153