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H. pylori antigen

5001

cpt

normal turn-around time

assays included

specimen type

minimum required

HPAg

87335

24 hours

HPAg

Stool

1 mL of stool

collection instructions

  • Collect a fresh stool sample in a clean, dry container.

  • Ensure proper labeling with at least two patient identifiers.

  • Transport the specimen to the laboratory as soon as possible after collection.

  • If transportation is delayed, refrigerate the specimen but do not freeze.

collection instructions

  • Improper Labeling: Specimen must be labeled with at least two patient identifiers.

  • Contaminated Specimen: Stool contaminated with urine, water, or other contaminants.

  • Insufficient Quantity: Not enough stool collected for testing.

  • Frozen Specimen: Freezing may affect the integrity of the antigen and lead to inaccurate results.

clinical significance

The H. pylori Antigen Test detects the presence of Helicobacter pylori antigens in stool samples. H. pylori is a bacterium that infects the stomach and can cause gastritis, peptic ulcers, and even stomach cancer. This test is used for diagnosing active H. pylori infection, monitoring treatment efficacy, and confirming eradication after treatment.

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