Identifies most colorectal, mucinous ovarian, transitional cell, and Merkel cell carcinomas, as well as some gastric, biliary, and pancreatic adenocarcinomas. Commonly used with CK7 to
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.
Use cold pack for transport. Make sure cold pack is not in direct contact with specimen.