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GASTRIC PH (STOMACH)
Test CodeLAB3041192
CPT Codes
83986
Preferred Specimen
Gastric fluid in a sterile vial orcollection cup
Requires single container. Specimen cannot be shared with other testing.
Requires single container. Specimen cannot be shared with other testing.
Minimum Volume
1 mL fluid
Instructions
Instructions: Do not open lid once collected, exposure to air can change the pH.
Transport Temperature
Refrigerated
Specimen Stability
Unstable, send to lab immediately.For best results testing should be performed within one hour.
Refrigerated: 12 hours
Refrigerated: 12 hours
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Samples sent in syringes, insufficient sample, clotted samples, or samples collected in vials containing additives.
Methodology
Fisher pH Meter
Setup Schedule
Sunday-Saturday
Reference Range
<1.0-4.0
Performing Laboratory
West Virginia University Hospital, Inc.
