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HelpTest Code GSTR Gastric Occult Blood, Gastric pH
Performing Laboratory
Hunterdon Medical Center
Useful For
Gastroccult is a rapid screening test designed to determine the pH and detect the presence of occult blood in gastric aspitate or vomitus.The identification of occult blood can be a useful tool in the early detection of gastric trauma or deteriorating gastric condition.pH may be of use in evaluating antacid therapy.
Specimen Required
Gastric aspitate obtained by nasogastric intubation or vomitus. Submit in plain urine container.
Note: Gastroccult is not recommended for use with fecal samples
Specimen Transport Temperature
| Ambient 15-25°C |
Specimen Stability Information
| Temperature | Time Frame |
| Ambient 15-25°C | 24 hours |
| Refrigerated 2-8°C | 5 days |
Day(s) and Time(s) Performed
Monday through Sunday
Reference Values
Negative
Method Name
Guiac methodology slide test
CPT Code Information
| TEST ID | CPT |
| GBLD | 82271 |
LOINC Code Information
| TEST ID | LOINC |
| GBLD | 50191-6 |