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A B C D E F G H I J K L M N O P Q R S T U V W X Y Z # |
Glomerular Basement Membrane Antibody (IgG)
Test CodeGBM
Quest Code
257
CPT Codes
83520
Preferred Specimen
1 mL serum
Minimum Volume
0.3 mL
Transport Container
Transport tube
Transport Temperature
Room temperature
Specimen Stability
Room temperature: 7 days
Refrigerated: 14 days
Frozen: 30 days
Refrigerated: 14 days
Frozen: 30 days
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Gross hemolysis
Methodology
Immunoassay (IA)
Setup Schedule
Days Mon-fri
Report Available
3 days
Limitations
Weakly positive results (5-30 EU/mL) may occur in patients who do not have antiglomerular basement membrane antibody-mediated disease.
Reference Range
<1.0 AI | No antibody detected |
≥1.0 AI | Antibody detected |
Clinical Significance
Glomerular Basement Membrane Antibody is present in one fourth of patients with Goodpasture's syndrome. This syndrome consists of glomerulonephritis and pulmonary hemorrhage.
Performing Laboratory
Quest Diagnostics LLC |
200 Forest Street, 3rd Floor, Suite B |
Marlborough, MA 01752-3023 |