Last Updated: December 4, 2023 @ 10:13 am | ||
2768 | Breath Test, H. pylori | |
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Rejection Criteria: |
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Stability: | Ambient: 2 Week(s); Refrigerated: Unacceptable; Frozen: Unacceptable; Incubated: Unacceptable | |
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Performed: | Mon-Fri | |
Reported: | 1-4 Day(s) | |
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Interpretive Data: | General Reference Range : negative A negative result does not rule out the possibility of H. pylori infection. If clinical signs are suggestive of H. pylori infection, retest with a new specimen or an alternate method. Known causes of false-negative results include: 1. Use of antibiotics, proton pump inhibitors, and bismuth preparations during the preceding 2 weeks. 2. Administration of the breath test less than 4 weeks after completion of definitive therapy to eradicate H. pylori. 3. Premature or late collection of post-dose specimen. Known causes of false-positive results include: 1. Patients with achlorhydria. 2. Rinsing the testing solution in the mouth or not using the straw provided in the kit, which can allow contact with urease-positive bacteria. 3. The presence of other gastric spiral organisms such as Helicobacter heilmanii. | |
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