IFA Pattern. If IFA patterns suggest agna-1, amphiphysin AB, anna-1, anna-2, anna-3, pca-1, pca-2 or pca-tr antibodies, then immunoblot and titer will be performed. If vgkc is above 0.00 nmol/l, then lgi1 IgG and caspr2 IgG cba will be performed. If crmp-5-IgG is Positive, then crmp-5 wb and
titer will be performed. Additional charges will apply for all reflex testing performed.