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HELICOBACTER PYLORI STOOL ANTIGEN

Synonym(s):

​HPSA, H Pylori Antigen Test, Helicobacter Pylori Antigen, Helicobacter Antigen

Description

Indications

Specimen Required

​Send fresh stool (one teaspoon or about 10 mm3 of stool) in a clean leak-proof container with a tight-fitting lid.

If it is not possible to despatch the stool sample to the laboratory within the same day, the sample should be kept at 2 – 8oC in the refrigerator.

Storage and Transport

Method

​Immunochromatographic assay

Test Results

​Reported as Detected or Not Detected

Reference Interval / Value

Turnaround Time

Range 1-2 days

Day(s) Test Set up

​Monday to Saturday (Monday to Friday: before 4pm, Saturday: before 11am, except public holidays)

Remarks

​Please note:
1. Stool specimens should be sent 4 weeks after discontinuation of antibiotics, and 2 weeks after discontinuation of proton pump inhibitors and bismuth preparations, as these are known to cause false-negative results if ingested prior to stool testing.

2. Stool samples sent in transport media, on swabs, mixed in urine or preservatives, are not appropriate for testing and will have to be rejected.

Change History Notes

Others

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