Keratin 14 (CK14)

Identifies a member of the type A (acidic) subfamily of high molecular weight keratins which has been studied as a prognostic marker in breast cancer. CK14 distinguishes stratified epithelial cells from simple epithelial cells and has been reported useful in the identification of squamous cell carcinomas.

Synonyms
Cytokeratin 14, CK14
Turnaround Time
Global: 48 hrs, Tech-Only (stain only): 24 hrs
Methodology
IHC
Specimen Requirements

A formalin-fixed, paraffin-embedded (FFPE) tissue block is preferred specimen typeorOne (1) unbaked, unstained slide for H&E staining (required) and two to three (2-3) positively charged unstained slides (all cut at 4-5 microns) for each test/antibody orderedBlock and slide identifiers should be clearly written and match exactly with the specimen ID and specimen labeling as noted on the requisition.

Storage and Transportation

Use cold pack for transport. Make sure cold pack is not in direct contact with specimen.

CPT Codes
88342 x 1 or 88341 x 1