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HelpTest Code LAB397 Helicobacter pylori Antigen, Feces
Additional Codes
Mayo Test Code: HPSA
Reporting Name
Helicobacter pylori Ag, FUseful For
As an aid in the diagnosis of Helicobacter pylori
Monitoring the eradication of Helicobacter pylori after therapy (in most situations, confirmation of eradication is not mandatory)
Testing Algorithm
See Helicobacter pylori Diagnostic Algorithm in Special Instructions.
Method Name
Enzyme-Linked Immunosorbent Assay (ELISA)
Performing Laboratory
Mayo Medical Laboratories in Rochester
Specimen Type
FecalSpecimen Required
Supplies: Stool Collection Kit, Random (T635)
Submission Container/Tube: Plastic container
Specimen Volume: 5 g
Collection Instructions: Mix stool well.
Additional Information: Falsely negative results may be obtained within 2 weeks of treatment with antimicrobials, bismuth, or proton pump inhibitors – see cautions for details.
Specimen Minimum Volume
5 g
Specimen Stability Information
| Specimen Type | Temperature | Time |
|---|---|---|
| Fecal | Frozen (preferred) | 60 days |
| Refrigerated | 48 hours |
Reject Due To
|
Hemolysis |
NA |
|
Lipemia |
NA |
|
Icterus |
NA |
|
Other |
Very mucoid stool; or a watery, diarrheal specimen; stool in transport media, swab, or preservative |
Special Instructions
Reference Values
Negative
Day(s) and Time(s) Performed
Monday through Saturday; Varies
CPT Code Information
87338
LOINC Code Information
| Test ID | Test Order Name | Order LOINC Value |
|---|---|---|
| HPSA | Helicobacter pylori Ag, F | 17780-8 |
| Result ID | Test Result Name | Result LOINC Value |
|---|---|---|
| 24088 | Helicobacter pylori Ag, F | 17780-8 |
Test Classification
This test has been cleared or approved by the U.S. Food and Drug Administration and is used per manufacturer's instructions. Performance characteristics were verified by Mayo Clinic in a manner consistent with CLIA requirements.Forms
Microbiology Test Request Form (T244) (http://www.mayomedicallaboratories.com/it-mmfiles/microbiology_test_request_form.pdf)
General Request Form (T239) (http://www.mayomedicallaboratories.com/it-mmfiles/general-request-form.pdf)
Gastroenterology and Hepatology Test Request Form (T728) (http://www.mayomedicallaboratories.com/it-mmfiles/gastroenterology-and-hepatology-test-request.pdf)