Full Description
Detects a tight junction protein expressed in epithelial cells. Useful for identifying epithelial differentiation and certain carcinomas, including distinguishing skin adnexal tumors and some colorectal carcinomas.
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 but not in direct contact with specimen. Not suitable for freeze & hold option.
Turnaround Time
24 Hours
CPT Codes
88342x1 or 88341x1