Full Description
Detects IgG4-positive plasma cells, commonly found in autoimmune pancreatitis. Useful for distinguishing autoimmune pancreatitis from pancreatic ductal adenocarcinoma and chronic alcoholic pancreatitis, as IgG4-positive cells are typically absent or rare in these conditions.
Methodology
IHC
Specimen Requirements
Tissue Block: Formalin-fixed, paraffin-embedded (FFPE) tumor block preferred. Unstained Slides: Recommended 2 charged slides per stain requested (minimum of 1 slide per stain), baked or unbaked. Fixation: Tissue must be fixed in 10% neutral buffered formalin for 6–72 hours.
Storage and Transportation
Use cold pack for transport. Make sure cold pack is not in direct contact with specimen.
Turnaround Time
24 Hrs
CPT Codes
88342x1 or 88341x1