PARIETAL CELL ANTIBODY; APCA, IFA

What this test checks

Detects antibodies against stomach lining cells — causes severe B12 deficiency.

Why do people get this test?

Used in B12 deficiency work-up.

When you should consider this test

• B12 deficiency
• Unexplained anemia with neurological symptoms
• Specialist requested

How to prepare

No fasting needed.