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Test Code HPSA HELICOBACTER PYLORI STOOL ANTIGEN TESTING

Additional Codes

Primary ID

SQ Code

PRISM Code

MayoAccess ID

HPSA

HPSA LAB1016 FAH5711

 

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

Method

Enzyme-Linked Immunosorbent Assay (ELISA)

CPT(s)

Description CPT Code
 H. pylori Antigen                     87338

 

Instrumentation

Dynex DSX

LOINC Code Information

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

 

Section

Immunology

Performing Location

University of Vermont Medical Center

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.

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

Yes