Normal Range = none present.
ANCA is the antibody to white cells
It is found in approx 20% lupus patients, lupus specificity is
C-ANCA suggests a systemic vasculitis disease, and is rarely seen
in patients with lupus.
P-ANCA is most seen in necrotizing, crescentic glomerulonephritis
and polyarteritis nodosa. P-ANCA is found in some lupus patients.