Full Description
A polypeptide hormone produced by G cells in the gastric antrum and by a subset of pancreatic islet tumors (gastrinomas). Immunohistochemical detection of gastrin identifies gastrin-producing cells in tumors and G cell hyperplasia.
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
Global: 48 Hours, Tech-Only (stain only): 24 Hours
CPT Codes
88342x1 or 88341x1