Anti-glomerular basement membrane blood test

GBM antibody test; Antibody to human glomerular basement membrane; Anti-GBM antibodies

The glomerular basement membrane is the part of the kidney that helps filter waste and extra fluid from the blood.

Anti-glomerular basement membrane antibodies are antibodies against this membrane. They can lead to kidney damage. This article describes the blood test to detect these antibodies.

Blood test

Blood is drawn from a vein (venipuncture), usually from the inside of the elbow or the back of the hand. A needle is inserted into the vein, and the blood is collected in an air-tight vial or a syringe. Preparation may vary depending on the specific test.

How the Test is Performed

How to Prepare for the Test

How the Test will Feel

Why the Test is Performed

Normal Results

What Abnormal Results Mean