Immunofluorescence Assay (IFA); Western Blot (WB)
Quest Diagnostics San Juan Capistrano
1 mL Blood
Red Top (No Additive)
Overnight fasting is preferred.
Room Temp: 7 Days; Refrigerated: 14 Days; Frozen: 21 Days
0.5 mL Serum
0.2 mL Serum
If Hu Antibody Screen, IFA is positive, Hu Antibody, WB will be performed at an additional charge (CPT code(s): 84181). If Hu Antibody, WB is positive, Hu Antibody Titer will be performed at an additional charge (CPT code(s): 86256).
86255 with reflex to 84181, 86256