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VASC / VASC-M
VASCULITIS PANEL (FOR ANCA)

Test Code VASC / VASC-M 
Test VASCULITIS PANEL (FOR ANCA) 
Methodology Multiplex Flow Immunoassay; Indirect Immunoassay for ANCA Reflex. 
Description Useful for evaluating patients suspected of having autoimmune vasculitis, both Wegener's granulomatosis and microscopic polyangiitis.

Testing Algorithm: Delineates situation(s) when tests are added to the initial order. This includes reflex and additional tests.If myeloperoxidase antibody or proteinase 3 antibody is >=0.4 U, then cytoplasmic neutrophilic antibodies will be performed at an additional charge. 

Specimen Draw blood into a plain, red-top tube(s) or seum gel tube(s). Spin down and send 1.0 mL (minimum: 0.5mL) of serum refrigerated. 
Reference Values MYELOPEROXIDASE ANTIBODIES, IgG
<0.4 U (negative)
0.4-0.9 U (equivocal)
> or =1.0 U (positive)
Reference values apply to all ages.

PROTEINASE 3 ANTIBODIES, IgG
<0.4 U (negative)
0.4-0.9 U (equivocal)
> or =1.0 U (positive)
Reference values apply to all ages. 
Analytic Time 3 Days 
Day(s) Test Set Up Monday through Saturday 
CPT Code(s) 83516  - MPO
83516  - PR3
86255  Cytoplasmic neutrophil antibodies screen (if appropriate)
86256  Cytoplasmic neutrophil antibodies titer (if appropriate)