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Ph, Gastric
Test CodePHG
CPT Codes
83986
Preferred Specimen
Fresh gastric aspirate, n-g aspirate, fresh vomitus
Minimum Volume
A few drops
Instructions
OBMIS--This test is for gastric specimens only
Transport Container
Sterile Specimen Container
Transport Temperature
Room temperature
Specimen Stability
24 hours
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Age of Specimen
Methodology
Color Change based on pH sensitive paper
Setup Schedule
Daily on Receipt
Report Available
Upon Completion of Analysis
Limitations
Antacids, Food, Age of Specimen
Reference Range
Not Available
Clinical Significance
May be of use in evaluating antacid therapy.