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.