About Ancillary Pathways

Ancillary Pathways is a specialty anatomic pathology service company founded by Hadi Yaziji, M.D., an international leader in the fields of immunohistochemistry (IHC) and fluorescence in-situ hybridization (FISH) testing for pathology.

We understand that resource limitations are common reasons for outsourcing these valuable tests; AP’s services address the diverse needs of pathology laboratories of all sizes and in all settings. Our experts work collaboratively with you to provide the specific training and logistical support you need for enhancing your laboratory’s IHC and FISH testing capabilities. Ancillary Pathways is supported by an extensive network of experienced pathologists and scientists with many decades of practical experience in profitable laboratories. Internationally recognized physicians, scientists and technologists make up Ancillary Pathways’ growing Advisory Board.