ARUP Test Catalog
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Helicobacter pylori Antigen, Stool by EIA

Mnemonic:    [ST H py Ag]
Name:    Helicobacter pylori Antigen, Stool by EIA
Specimen:    5 Grams stool submitted in a sterile container. Sample must be submitted to the laboratory within one hour of collection.

Patient Prep: To avoid false negative results, no antibiotics, proton pump inhibitors, or a bismuth preparation should be administered to patient for 14 days prior to specimen collection.

Unacceptable Conditions: Gastric specimens, or tissue. Stool in Ecofix, formalin, MIF, Protofix, PVA, Total-fix, Unifix, or any other preservative.
Minimum Spec:    1 Gram
Transport Temp:    FREEZE
Spec Stability:    Ambient 2 hours; Refrigerated 72 hrs; Frozen 1 month
Ref Lab/Code:    ARUP 0065147
  Method:    Enzyme Immunoassay
Processing Info:    Unpreserved sample must be frozen within two hours of collection. Sample is stable for 1 week frozen.

Stool Sample Collection Instructions, No Preservative