GLOMERULAR BASEMENT MEMBRANE IgG ANTIBODY

Test Documentation
Specimen Required
Draw blood in a SST. Centrifuge, separate and send 1.0 mL serum (0.5 mL minimum) refrigerated in a screw-capped plastic vial.

Methodology
Enzyme-Linked Immunosorbent Assay

Stability
Room Temperature: 8 hours; Refrigerated: 7 days; Frozen: 14 days

Reference Range
Negative: <20 Units
Weak Positive: 21-30 Units
Moderate to Strong Positive: >30 Units

Performed
Monday, Wednesday, Friday

Turnaround Time2-4 days
Test CodeGBM
CPT-4 Code (s)
83516
LOINC Codes
31406-2

Warde
Medical
Laboratory