| Ordering Code | 4536 |
|---|---|
| Test Name | H. pylori Screen (CLOTest) |
| Alias | CLOTest Helicobacter pylori Screen H. pylori Urease Test |
| Preferred Specimen | Gastric biopsy |
| Preferred Container | CLOTest Gel Packet |
| Other Specimen/Container | Gastric biopsy in normal saline in sterile container |
| Optimum Volume | Gastric Biopsy in CLOTest: Entire Specimen Gastric Biopsy in Sterile Saline: Entire Specimen |
| Collection Instructions | Gastric Biopsy in CLOTest: Avoid contamination of specimen with blood or bile fluids (alkaline). Ensure gel has come to room temperature and is NOT orange or red in color before inoculating Gastric Biopsy in Sterile Saline: Avoid contamination of specimen with blood or bile fluids (alkaline). Send the specimen to the laboratory ASAP for inoculation into a CLOTest gel. |
| Transport Requirements | Gastric Biopsy in CLOTest: Oahu: Ambient Gastric Biopsy in Sterile Saline: Oahu: Ambient Airline: Refrigerated |
| Specimen Stability | Gastric Biopsy in CLOTest: Ambient: 24 Hours Gastric Biopsy in Sterile Saline: Ambient: 4 Hours Refrigerated: 16 Hours |
| Rejection Criteria | Expired CLOTest media or tampered kit, Gastric Biopsy in formalin, Frozen |
| Avail. Stat | NO |
| Analytic Time | Gastric Biopsy in CLOTest: Up to 1 Day Gastric Biopsy in Sterile Saline: Up to 1 Day |
| Methodology | Qualitative detection of urease produced by H. pylori |
Reference range(s)
The reference ranges listed below are valid on this date of June 29, 2025.
| Component | Age | Male Norm | Male Critical Low | Male Critical High | Female Norm | Female Critical High | Female Critical Low | Units | Add'l info |
|---|---|---|---|---|---|---|---|---|---|
| Source: | ALL | See report. | |||||||
| Status: | ALL | See report. | |||||||
| Result: | ALL | NEGATIVE | NEGATIVE |