Clinical Pathology Laboratories (CPL) has validated the Diasorin LIAISON® Meridian H. pylori Stool Antigen(HPSA) test to replace the TechLab® H. pylori CHEKTM test.

  • The Diasorin LIAISON® Meridian HPSA test and TechLab® H. pylori CHEKTM test are FDA approved.
    • Diasorin LIAISON® Meridian HPSA is a chemiluminescent immunoassay (CLIA) method.
    • TechLab® H. pylori CHEKTM is an enzyme immunoassay (EIA) method.
  • The Diasorin® and TechLab® methods are analytically equivalent according to CDC and CPL evaluations.
  • CPL has confirmed the Diasorin® method to be highly sensitive and specific.

Specimen Acceptability

The Diasorin LIAISON® Meridian HPSA test specimen requirements are:

  • Fresh Fecal (preferred)
  • Frozen Fecal
  • Fecal specimens preserved in 10% formalin, Merthiolate formalin, sodium acetate formalin, or polyvinyl alcohol
  • Fecal specimens in transport media (Cary Blair or C&S)
Acceptable Not Acceptable

Effective April 24, 2023, CPL will be changing from the TechLab® H. pylori CHEKTM test to Diasorin LIAISON® Meridian HPSA for use in the following tests:

4499 H. PYLORI AG, STOOL
Test Code Name

Please contact your local CPL representative should you have any questions regarding these changes.

References

LIAISON Meridian H. pylori SA. Package Insert. DiaSorin Inc. EN-53759-2020-09.