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Test Code 0210898 Helicobacter pylori Antigen, Feces

Additional Codes

Mayo Test ID
HPSA

Performing Laboratory

Mayo Clinic Laboratories in Rochester

Useful For

Aiding in the diagnosis of Helicobacter pylori infection

 

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)

Reporting Name

Helicobacter pylori Ag, F

Specimen Type

Fecal


Specimen 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

See Specimen Required

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 watery, diarrheal specimen

Stool in transport media, swab, or preservative

Reference Values

Negative

Interpretation

Positive results indicate the presence of Helicobacter pylori antigen in the stool.

 

Negative results indicate the absence of detectable antigen, but does not eliminate the possibility of infection due to Helicobacter pylori.

Day(s) and Time(s) Performed

Monday through Saturday; Varies

Analytic Time

Same day/1 day

Specimen Retention Time

1 week

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.

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

Forms

If not ordering electronically, complete, print, and send 1 of the following forms with the specimen:

-General Request (T239)

-Microbiology Test Request (T244)

-Gastroenterology and Hepatology Client Test Request (T728)