Glomerular Basement Membrane Antibody IgG

Last Modified: 3/18/2020 7:28:31 AM

Medical Necessity Documentation:  
Client Notes:  
Patient Preparation:  
Specimen Requirements: 1.0 mL Serum in a SST Gold Top Tube
Collection Instructions:  
Minimum Volume: 0.3 mL Serum
Transport & Storage: Temperature/Stability: 7 days Ambient
14 days Refrigerated
30 days Frozen
Rejection Criteria: Gross hemolysis
Reference Range:

<1.0 AI No antibody detected
≥1.0 AI Antibody detected

Critical Ranges:  
Test Comments:  Limitations: Weakly positive results (5-30 EU/mL) may occur in patients who do not have antiglomerular basement membrane antibody-mediated disease.
Methodology: Immunoassay
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.
Custom Panel: No


Turn Around Time: 1 to 2 days
Days Performed: Monday, Tuesday, Wednesday, Thursday, Friday, Saturday
Sites Performed: Quest - Chantilly
PHL Test Code: GMBAS
EPIC Test Code: IMO402
Send Out Test Code: 257
Alternate Test Names: Anti GBM; Anti-GBM; GBM; Goodpasture Disease Antibody
Included Tests:  
CPT Coding: 83520

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