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What is a PARIETAL CELL ANTIBODY?

The Parietal Cell Antibody test is a blood test used to detect antibodies directed against the stomach’s parietal cells, which produce stomach acid and intrinsic factor. The presence of these antibodies is often associated with autoimmune gastritis and pernicious anemia, conditions that can lead to vitamin B12 deficiency. This test is performed to help diagnose autoimmune-related stomach disorders, evaluate unexplained anemia, and guide further investigations or treatment for patients with suspected gastric autoimmune disease.

Additional Information

Also known as/ Other names: Anti-Parietal Cell Antibody Test, Gastric Parietal Cell Antibody, APCA Test, Parietal Cell Autoantibody Test
Parameters: 1
Recommended for: M/F/Others
Sample Type: Blood
Patient Preparation: Overnight fasting is preferred.
Reports: Next Day

FAQs

Why is this test important?

It helps diagnose autoimmune stomach disorders, identify causes of vitamin B12 deficiency, and guide treatment for pernicious anemia.

Who should undergo this test?

Patients with unexplained anemia, vitamin B12 deficiency, or suspected autoimmune gastritis are recommended for testing.

What happens if the test is positive?

A positive result suggests autoimmune gastritis or pernicious anemia, requiring further evaluation and treatment.

What does a negative result mean?

It indicates absence of parietal cell antibodies, reducing likelihood of autoimmune gastric disease.

Can medications affect the test results?

No, medications generally do not interfere with antibody detection.

Is this test safe for children?

Yes, it is safe if clinically indicated, though usually performed in adults.

What are the risks of not testing?

Without testing, autoimmune gastritis or pernicious anemia may remain undiagnosed, leading to serious complications.

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