H pylori Antigen, Stool
| Abbrev Code: | HPYLO | ||
| Order Code: | LAB8149 | Order Name: | Helicobacter pylori Antigen Stool |
| Synonyms: | Helicobacter pylori; Hpylori; Fecal; Feces; H. pylori | ||
| Methodology: | Chemiluminescent immunoassay Grand Itasca: Enzyme linked immunoassay |
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| CPT Codes: | 87338 x1 | ||
| Turnaround Time: | Performed Mon-Fri; results are reported within 2 days. | ||
| Associated Links: | |||
Collection Instructions
| Specimen: | Feces |
| Optimal Volume: | 10 mL liquid or 1 gm formed feces |
| Minimum\Peds Volume: | 5 mL liquid |
| Container: | Plastic Leakproof Container or Sterile Stool Transport Vial |
| Collection Instructions: | Collect in clean, dry bedpan or onto newspaper over the toilet. |
| Causes for Rejection: | Feces in transport media, swabs, or preservatives are unacceptable. |
Processing and Shipping
| Specimen Processing: | Refrigerate up to 72 hours or freeze indefinitely. Specimen may be frozen and thawed twice. If testing cannot be performed within 72 hours, specimen should be frozen and stored frozen until tested. |
| Shipping Instructions: | Ship at refrigerated temperature to arrive within 72 hours. Alternatively, ship on dry ice. |
| Stability: | Specimen may be frozen and thawed twice. |
| Test Performed at or Referral Lab | UM Specialty Core/Prot/Endo (Liaison D) (Microbiology (Grand Itasca)) |
Interpretive
| Reference Range: | Negative for Helicobacter pylori stool antigen. |
| Limitations: | Antimicrobials, proton pump inhibitors, and bismuth preparations are known to suppress H. pylori, and ingestion of these prior to H. pylori testing (culture, histology, rapid urease, UBT, antigen) may give a false negative result. |
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