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Test Code HPSA HELICOBACTER PYLORI STOOL ANTIGEN TESTING

Important Note

Results found (in Meditech) under Header: Other Body Source

Specimen Information

Container

Specimen

Temperature

Collect Vol

Submit Vol

Minimum Vol

Stability
Sterile Container Feces

Frozen

5 grams 5 grams * 60 days
Sterile Container Feces Refrigerate 5 grams 5 grams * 72 hours

5 g (walnut sized) fecal specimen collected into a sterile airtight container (without preservatives) and stored at 2-8 C until tested.  The specimen may be held refrigerated (2-8 C) for up to 72 hours prior to testing.  If testing cannot be performed within this time frame or for shipment, specimens should be frozen immediately upon receipt and stored frozen (-20C to -80C) until tested.  Sample is stable frozen up to 60 days. *Minimum volume is 100 uL of well-mixed liquid or semi-solid stool and 5-6 mm diameter of well-mixed formed/solid stool. Stool in transport media, swabs, or preservatives are unacceptable.  Performance characteristics have not been established for watery, diarrheal stools.  Stool must be mixed thoroughly.

Test Schedule / Analytical Time / Test Priority

Tuesday and Thursday / Same day / Not available STAT

Reference Range

Reference Range: Negative

 

Interpretation:

Positive:  Indicates the presence of H. pylori antigens.

Negative:  Indicates the absence of H. pylori antigens, or that the level of antigen is below the cut-off of the assay. 

 

Limitations:

False negative results may be obtained within 2 weeks of treatment with antimicrobials, bismuth, or proton pump inhibitors.  A negative result in such a situation should be followed up with repeat testing at least 2 weeks after discontinuation of therapy.

CPT(s)

Description CPT Code
 H. pylori Antigen                     87338

 

Method

Enzyme-Linked Immunosorbent Assay (ELISA)

LOINC Code Information

Result Code Reporting Name LOINC Code
HPSA H. pylori Antigen 17780-8

 

Performing Location

University of Vermont Medical Center

Instrumentation

Dynex DSX

Section

Immunology

Is the UVMMC lab NY State Certified to perform this testing?  Yes/No

Yes