IHC

MUC-5AC

Identifies Mucin 5AC, a high molecular weight glycoprotein normally expressed in the surface gastric foveolar epithelium and some respiratory tract epithelia. It is a useful marker for differentiating gastrointestinal and pancreatobiliary tumors, as well as identifying mucinous adenocarcinomas of various origins.

Full Description

Identifies Mucin 5AC, a high molecular weight glycoprotein normally expressed in the surface gastric foveolar epithelium and some respiratory tract epithelia. It is a useful marker for differentiating gastrointestinal and pancreatobiliary tumors, as well as identifying mucinous adenocarcinomas of various origins.

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 indirect contact with specimen.

Turnaround Time

24 Hrs

CPT Codes

88342x1 or 88341x1