H. pylori Antigen
Label Mnemonic: HPYSTOOL
Epic Lab Code: LAB4483
Downtime Form: A-1a Miscellaneous Request
Commercial Mail-out Laboratory
5231 RCP
356-8593
Specimen(s):
Stool
Specimen Instructions:
Patient preparation: To avoid false negative results, no antibiotics, proton pump inhibitors, or a bismuth preparation should be administered to patient for 14 days prior to specimen collection.

Specimen is stable for ONLY 2 hours at room temperature, 72 hours refrigerated and 1 month frozen.
Collection Medium:
Feces specimen, stool container
Minimum:
Preferred Minimum: 5 g stool in clean unpreserved stool container
Absolute Minimum: 1 g stool in clean unpreserved stool container
Rejection Criteria:
Gastric specimens, swabs or tissue. Specimens in media or preservatives.
Delivery Instructions:
Submit specimen to laboratory as soon as possible after collection.
Turn Around Time:
24 hours upon receipt at reference laboratory
Reference Range:
Negative
Methodology:
Qualitative Enzyme Immunoassay
CPT Code:
87338