Test Description

Repressor of Silencing 1 (ROS1) immunohistochemistry is a qualitative screening assay to identify patients who are eligible for treatment of tyrosine kinase inhibitors (TKIs).

Ordering Information

Test Code: ROS




Turnaround Time: 3 - 5 working days, upon sample receipt


Accepted Specimens: 

  • FFPE Tissue/Cell Blocks
  • FFPE Slides


Refer to Specimen Requirements for more information.