Positive.(Immune) cut off. Repeat testing on a neW specimen is Suggistbd tv assess antibody response after a booster shot or a viral Syndrome... • ASSAYINRINgilblit ;Hotbed Chemilumipescence (Siemens Diagnostics) :ANA TITER (IFA) 1:160 III 0.:00 ANA PATTERN = HOMOGENEOUS MD SPECKLED <IA Wet Immurtes>9.9.