Helicobacter Pylori Stool Antigen
H. pylori stool antigen - Pylori antigen
Screening for the presence of Helicobacter pylori antigen
Specimen Collection Requirements
False negative results may occur on patients receiving antimicrobials, proton pump inhibitors, and bismuth preparations. If a negative result is obtained on a patient receiving these compounds, the test should be repeated on a new specimen obtained two weeks after discontinued treatment. Watery stools composed mainly of fluid with little or no solid matter may give false negative results.
Random Stool in leak-proof container. Avoid urine and toilet water in specimens which may cause a dilution factor.
Supply Item Number - 370167
View Stool Collection Guide
Stool must not be in any transport media or preservative. Do not overfill or contaminate the outside of the container.
If delay >2 hours, refrigerate for up to 72 hours. If testing cannot be performed with 72 hours, freeze specimen immediately upon receipt and store at -20 to -80°C. Frozen specimens may be thawed twice.
Stool beyond stability or in preservative or transport media
Ambient: 2 hours; Refrigerated: 3 days; Frozen: 1 month
Wednesday, December 23, 2020 01:02:42 AM
Client Services: 503-413-1234