Refer to Glomerular Basement Membrane Antibodies, IgA & IgG (IFA).

Methodology: Indirect Fluorescent Antibody
Performed: Mon - Fri
Reported: 1-5 days

Specimen Requirements:

Collect: One 4 mL gold or red SST

Transport: Centrifuge and refrigerate until courier pickup.

Stability: Refrigerated: 2 weeks; Frozen: 1 year (avoid repeated freeze/thaw cycles)

CPT Code: 86255 GBM IgA; 86255 GBM IgG