ANCA (ANTINEUTROPHIL CYTOPLASMIC ANTIBODIES), IFA

What this test checks

Detects antibodies against white blood cells — used in diagnosing vasculitis (blood vessel inflammation).

Why do people get this test?

Used when vasculitis is suspected (e.g., kidney problems with lung problems, sinus problems with nerve issues).

When you should consider this test

• Unexplained kidney + lung problems
• Suspected vasculitis
• Specialist requested

How to prepare

No fasting needed.