A B C D E F G H I J K L M N O P Q R S T U V W X Y Z #

Vasculitis MPO(pANCA), PR3(cANCA), GBM Antibodies

Test Code
LAB3148


Alias/See Also
1231600023


CPT Codes
83516 86021 (2)

Includes
MYELOPEROXIDASE (MPO/pANCA) IGG ANTIBODY
PROTEINASE 3 (PR3/cANCA) IGG ANTIBODY GLOMERULAR BASEMENT MEMBRANE (GBM) ANTIBODY IGG


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


Minimum Volume
1.5 mL serum


Other Acceptable Specimens
Gold SST top tube


Transport Temperature
Refrigerated


Specimen Stability
Room Temperature: up to 24 hours
Refrigerated (2-8C): up to 7 days
Frozen: longer storage


Methodology
BioRad BioPlex

Reference Range
MYELOPEROXIDASE (MPO/pANCA) IGG ANTIBODY
Males/Females:
<0.1 AI
Interpretation:
Negative
PROTEINASE 3 (PR3/cANCA) IGG ANTIBODY Males/Females:
<0.1 AI
Interpretation:
Negative
GLOMERULAR BASEMENT MEMBRANE (GBM) ANTIBODY IGG
Males/Females:
<0.1 AI
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.