CK17, Cytokeratin 17

  • Tech Only CPT
  • Tech Pro CPT
  • PowerPath Code
  • Schedule Monday - Friday
  • Turn Around Time Within 1-2 business days of receipt
  • Disease State Carcinomas of Unknown Primary
  • Methodology IHC

Specimen Requirements

Formalin-fixed, paraffin embedded tissue block or cell block, or 1 unstained charged slide for each test requested plus 3-4 additional unstained slides cut at 4 microns. Adequate space on each slide for control tissue is required.

This is a send out test.

Diagnostic Utility

Identifies a subset of epithelia and carcinomas. CK17 expression can help identify primary carcinomas of the pancreatobiliary tract, distinguishing them from ovarian mucinous adenocarcinomas and carcinomas of the stomach, among others.