Test Catalog

Test ID: PR3    
Proteinase 3 Antibodies, IgG, Serum

Useful For Suggests clinical disorders or settings where the test may be helpful

Evaluating patients suspected of having Wegener granulomatosis (WG)


Distinguishing between WG and other forms of vasculitis, in conjunction with:

-MPO / Myeloperoxidase Antibodies, IgG, Serum

-ANCA / Cytoplasmic Neutrophil Antibodies, Serum (may be obtained as VASC / Antineutrophil Cytoplasmic Antibodies Vasculitis Panel, Serum)


May be useful to follow treatment response or to monitor disease activity in patients with myeloperoxidase antibodies

Method Name A short description of the method used to perform the test

Multiplex Flow Immunoassay

NY State Available Indicates the status of NY State approval and if the test is orderable for NY State clients.


Reporting Name Lists a shorter or abbreviated version of the Published Name for a test

Proteinase 3 Ab (PR3), S

Aliases Lists additional common names for a test, as an aid in searching

ACPA (Antineutrophil Cytoplasmic Antibodies)
ANCA (Antineutrophil Cytoplasmic Antibodies)
Anticytoplasmic Autoantibodies
Antineutrophil Cytoplasmic Antibodies (ACPA)
Autoantibodies to Proteinase 3
c-ANCA (Antineutrophil Cytoplasmic Antibodies)
cANCA (Antineutrophil Cytoplasmic Antibodies)
Cytoplasmic Neutrophil Antibodies
Neutrophil Cytoplasmic Antibodies
pANCA (Perinuclear Antineutrophil Cytoplasmic Antibodies)
Perinuclear Antineutrophil Cytoplasmic Antibodies (pANCA)
PR3 (Proteinase 3 Ab), S
PR3 (Proteinase 3) Antineutrophil Cytoplasmic Antibodies
Proteinase 3 (PR3) Antineutrophil Cytoplasmic Antibodies
Wegener's Granulomatosis