Geisinger Medical Laboratories Test Catalog

Order Display Name: Geisinger Epic Procedure Code Or ID CPT Code:  


Geisinger Epic Procedure Code: LAB2395             Geisinger Epic ID: 21253

Specimen type:
Preferred collection container:
Specimen required:
1 gm/0.5 mL liquid/semi-solid stool or 20 mm diameter solid stool.
Special notes:
Collect 1 gram/0.5 mL of liquid/semisolid stool or 20 mm diameter of solid stool, and transfer to a properly labeled, sterile, leakproof container. Do not place stool in preservative, transport medium, or on a swab.

Transport temperature:
Specimen stability:
Room temperature: 4 days. Refrigerated: 4 days. Frozen: 14 days.
Rejection criteria:
Concentrated fecal specimens. Swabs.

Additional information:
For initial diagnostic purposes no special patient preparation is required. Patients are not required to be off of medications or to fast before this test. While positive test results from patients taking agents such as proton pump inhibitors and antimicrobials should be considered accurate, false negative results may be obtained. For this reason, physicians may suggest the patient go off medications for two weeks and repeat test if negative results are obtained. To confirm eradication, testing should be done at least 4 weeks following the completion of treatment. However, a positive test result 7 days post therapy is indicative of treatment failure. This test is cleared for use with specimens from pediatric patients.
CPT code(s):
Note: The billing party has sole responsibility for CPT coding.  Any questions regarding coding should be directed to the payer being billed.  The CPT codes provided by GML are based on AMA guidelines and are for informational purposes only.
Test includes:
Detection of Helicobacter pylori (H. pylori) antigen in stool specimens.
Enzyme Immunoassay (EIA)
HPA, Helicobacter pylori stool antigen
Gastric biopsy EIA stool antigen
Campylobacter pylori antigen
Quest test code 34838

Performing Locations

Quest Diagnostics

Technical Lead: Michael Weaver    
Frequency: Setup: Daily. Report available: 1-4 days.    
Performed STAT? No
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