Synonyms
Cytokeratin 19, CK19
Full Description
Identifies ductal, glandular, and non-keratinizing squamous epithelia. Useful in diagnosing breast, cervical, and thyroid carcinomas and distinguishing liver metastases from hepatocellular carcinoma. Commonly expressed in papillary thyroid carcinoma.
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