HELICOBACTER PYLORI ANTIGEN, STOOL

Test Code
LAB8415 (MISCELLANEOUS)


Preferred Specimen
Para-Pak Clean Vial


Note: Raw stool must be sent for testing. DO NOT use transport media or preservatives


Minimum Volume
1 mL semi-solid stool or 10mm diameter solid stool (2 mL semi-solid stool or 20mm diameter solid-stool is optimal)


Other Acceptable Specimens
Sterile Container


Transport Container
Para-Pak vial or Sterile container


Transport Temperature
Refrigerate


Specimen Stability
2-8°C up to 3 days otherwise freeze


Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Specimens collected in transport media or preservatives


Methodology
Chemiluminescent Immunoassay (CIA)

Setup Schedule
M, T, W, Th, F

As received; Day shift only


Report Available
Same day tested


Limitations
Antimicrobial, proton pump inhibitors, and bismuth preparations are known to supress H. pylori and ingestion of these prior to H. pylori testing may cause a false negative result.  Repeat testing on a new specimen obtained two weeks after discontinuing treatment.


Reference Range
Negative


Clinical Significance
This test is used to detect active infection with H. pylori which is associated with increased risk of developing gastritis, peptic ulcer, and gastric adenocarcinoma. 


Performing Laboratory
Alverno Central Lab



The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.