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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 8 specimens Bld 67208
Test CodeGASTRIN8
Alias/See Also
GASTRIN8
CPT Codes
82938 X 7; 82941
Preferred Specimen
1 mL (x8) frozen serum for each timed specimen
Patient Preparation
Overnight fasting (12 hours).
The serum secretin test requires patients to be off of antacids and anticholinergic medications for 12 hours prior to the test. Proton pump inhibitors should not be discontinued because of concern of complications (acute bleeding and/or perforation if acid suppression is discontinued).
Minimum Volume
8
Instructions
Medication restrictions and fast 8 timed samples. See website
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 • Grossly icteric • Received thawed
Methodology
Immunoassay
Setup Schedule
Set up: Mon-Sat; Report available: Same day
Reference Range
Reference range applies to fasting specimen only | |
<5 years | Not established |
5-17 years | <65 pg/mL |
≥18 years | ≤100 pg/mL |
Post secretion stimulation response | |
>200 pg/mL above basal level: positive test |
Clinical Significance
For the diagnosis and monitoring of gastrin-secreting tumors, gastric ulcer, Zollinger-Ellison syndrome.
Performing Laboratory
Quest Diagnostics Nichols Institute
14225 Newbrook Drive
Chantilly, VA 20153