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Infectious Disease

Helicobacter pylori Stool Antigen

Also known as: H. pylori Stool Antigen Test, H. pylori Antigen, Stool Antigen Test for H. pylori

CPT 82785Quest 1759LabCorp 322000
When to Seek Prompt Care

If you experience severe stomach pain, bloody or black stools, or vomit blood, seek immediate medical attention. These could be signs of a serious complication.

What It Measures

This test finds special proteins from a germ called Helicobacter pylori. We look for these proteins in your poop. They show if this germ is living in your stomach and intestines right now.

Why It's Ordered

Your doctor wants to check for a germ called H. pylori. This germ can cause problems in your stomach. You might have symptoms like a stomach ache, feeling bloated, or feeling sick to your stomach. These can be signs of sores or irritation in your stomach.

Reference Range

Reference ranges and interpretation can vary by the laboratory performing the test.

Clinical Reference

Quest: 1759
LabCorp: 322000
CPT: 82785
ICD-10: J30.9, L20.9, K90.0, Z13.89

Medicare covers for allergy evaluation

Educational purposes only — This information is not a substitute for professional medical advice, diagnosis, or treatment. Always discuss your lab results with your healthcare provider.