GLOMERULAR BASEMENT MEMBRANE (GBM) ANTIBODY, IFA

What this test checks

Detects antibodies against the kidney filtration membrane — present in Goodpasture syndrome.

Why do people get this test?

Used in unexplained kidney + lung disease.

When you should consider this test

• Unexplained kidney failure with cough or blood in sputum
• Suspected Goodpasture syndrome
• Specialist requested

How to prepare

No fasting needed.