Synonyms
CK903 (34betaE12)
Full Description
Detects high molecular weight cytokeratins expressed in squamous and basal-type epithelial cells. Useful for identifying squamous differentiation and basal layers of glands, and typically negative in simple epithelia, mesenchymal tumors, lymphomas, melanomas, and neuroendocrine tumors.
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