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Glomerular Basement Membrane Antibody (IgG)

Test Code
LAB3296


Alias/See Also
1231600043


CPT Codes
83516

Includes
GLOMERULAR BASEMENT MEMBRANE (GBM) ANTIBODY IGG
GLOMERULAR BASEMENT MEMBRANE (GBM) ANTIBODY IGG INTERPRETATION


Preferred Specimen
Red Top Tube or Gold Top
For neonates: 2 pedi Gold/SST, 2 pedi Reds or 2 pedi Lithium Green tubes


Minimum Volume
0.5 mL serum


Transport Temperature
Refrigerated


Specimen Stability
Room Temperature: 24 hours
Refrigerated: 7 days
Frozen: for longer storage


Methodology
BioRad BioPlex

Reference Range
Males/Females:
<1.0
Interpretation: Negative


Performing Laboratory
LITTLE ROCK LABORATORY


Last Updated: August 26, 2026


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.