91109      Glomerular Basement Membrane Antibody, IgG
Specimen:
  Collect: One 7.5 mL SST  
  Submit: 1 mL (Min:0.5 mL) Serum. Submit Refrigerated. Submit in a Standard Transport Tube.  
  Special Handling: Avoid Repeated Freeze/Thaw Cycles
Separate from cells ASAP 
  Stability: Ambient: 2 Day(s); Refrigerated: 2 Week(s); Frozen: 12 Month(s); Incubated: Unacceptable 
Methodology: Multi-Analytic Fluorescent Detection 
Performed: Sun-Sat 
Reported: 2-3 Day(s) 
CPT Codes:
83516 - Immunoassay
Interpretive Data:
Reference Range:
0-20 EU = Negative, No antibody detected
21-30 EU = Weak Positive
> 30 EU = Positive