Lung Hemorrhage and Nephritis Panel

Test Code

CPT Codes
83520, 86021 (x2)

Glomerular Basement Membrane Antibody (IgG), Proteinase-3 Antibody, Myeloperoxidase Antibody (MPO)

Preferred Specimen
1 mL serum

Minimum Volume
0.3 mL

Transport Container
Plastic screw-cap vial

Transport Temperature
Room temperature

Specimen Stability
Room temperature: 4 days
Refrigerated: 7 days
Frozen: 30 days

Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Gross hemolysis

Immunoassay (IA)

Setup Schedule
Set up: Mon-Sat; Report available: Next day

Reference Range
Glomerular Basement Membrane Antibody (IgG)
<1.0 AI No antibody detected
≥1.0 AI Antibody detected

Proteinase-3 Antibody
<1.0 AI No antibody detected
≥1.0 AI Antibody detected

Myeloperoxidase Antibody
<1.0 AI No antibody detected
≥1.0 AI Antibody detected

Clinical Significance
To help with diagnosis of Goodpasture's Syndrome or vascular diseases such as crescentic glomerulonephritis, Wegener's granulomatosis, or microscopic polyarteritis.

Performing Laboratory
Quest Diagnostics Nichols Institute
14225 Newbrook Drive
Chantilly, VA 20153

The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.