Helicobacter Pylori Sample Collection Protocol Post Therapy Subjects

Inclusion Criteria: * Adult ≥ 22 years, either gender * Subject previously diagnosed with H. pylori infection * Subject received and completed FDA approved treatment option * Minimum of 4 weeks to one year has lapsed after completion of FDA approved treatment option * Subject with a post therapy positive result from a FDA cleared UBT or FDA cleared Fecal Antigen Test * Subject will undergo EGD and gastric biopsy as part of routine care to measure H. pylori post-therapy response * Biopsy is obtained from antrum and/or corpus and is tested by CRM * At least two of the three CRM tests are performed * Subject whose EGD with biopsy occurred ≤ 7 days prior to stool collection * Willing and able to sign the IRB approved Informed Consent form for this study project Exclusion Criteria: * Subject with current severe H. pylori infection * Subject ingested compounds that may interfere with detecting of H. pylori, e.g. 4 weeks for antibiotics and 2 weeks for Bismuth preparations or proton pump inhibitors prior to collection * Pregnant or lactating * Inability or unwilling to perform required study procedures * Subject is unable or unwilling to provide informed consent