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Alberta Precision Laboratories (APL) Test Directory

Helicobacter pylori Stool Antigen Test

Source Stool    
Mnemonic M HP
Specimen Requirements

Submit stool specimen in a sterile container.

H.pylori Stool Antigen Test requires a separate sterile collection container and requisition (Community General Requisition REQ9012PSC); this test cannot be combined with other stool testing.

Refer to Patient Collection Instructions: Collecting Stool Samples for Helicobacter pylori Antigen Test. MI6176

Note the following groups of medication should not be used for the period indicated before collecting the specimen for the  Helicobacter pylori antigen test:

  • Proton pump inhibitors (H+, K+ - ATPase Inhibitor): 14 days
  • Antibiotics: 14 to 28 days
  • Bismuth preparations, e.g., Peptol Bismol: 14 days.
Specimen Handling

Calgary area RRL and PSC sites

Deliver specimen and requisition to the Microbiology laboratory within 8 hours of collection.

If delivery to the Microbiology laboratory is delayed, refrigerate specimen and deliver to the laboratory within 24 hours of collection.

CRL and Extra Regional Sites

If the sample can be transported to Calgary Microbiology within 48 hours of collection, refrigerate and sent via regular courier on an ice pack
If the sample cannot be transported to Calgary Microbiology within 48 hours of collection, it must be frozen (-20 ºC). Do not ship samples until completely frozen. Avoid freeze thaw cycles.

Leaking sample containers will NOT be accepted.

Extremely hard stool specimens cannot not be processed, the test will be cancelled.

Additional Information

Additional information regarding dyspepsia is available at:


For more test information refer to the Diasorin  Liason® H. Pylori SA Information for Use  (REF 318200) package insert.

Testing Location CLS Microbiology
Testing Frequency Test performed daily.
Alternate Name(s) HpSAT
Reference Interval