Current Updates on PD-L1 and HER2 Testing in Gastroesophageal Cancer: A Practical Approach

Continuing Education Information

For Continuing Education credit you must read this page.

Release date: April 6, 2023

Expiration date: April 6, 2025

Target Audience: This activity has been designed to meet the needs of healthcare professionals, specifically medical laboratory scientists.

P.A.C.E.® approved programs are accepted by the ASCP-BOC for recertification, and for license renewal in all licensure states except Florida.

  • Learn the indications for PD-L1 testing in gastroesophageal cancers
  • Understand the components within the Combined Positive Score (CPS) equation
  • Participate in practical examples for CPS scoring and identify common pitfalls
  • Identify the clinical utility for HER2 testing in gastroesophageal cancers
  • Learn the HER2 scoring system for gastroesophageal cancers and recognize the differences from the scoring system used in breast cancers

Estimated Completion Time (including post-test): 51m

Method of Participation: To receive a statement of credit, you must:

  1. Watch the video in its entirety
  2. Successfully complete the video post-test (80% or higher)
  3. Submit certificate completion information
  4. Complete the course evaluation

NO FEE is associated with this continuing education activity. All CE credit granted on this website ( is provided as a service to medical laboratory professionals as part of the academic mission of the University of Utah’s Department of Pathology and ARUP Laboratories. After completing the post-test and submitting your information where prompted, a certificate will be generated and available for printing or saving.

P.A.C.E.® Accreditation: The program has been approved for 0.5 contact hour(s) through ARUP Laboratories, which is approved as a provider of continuing education programs in the clinical laboratory sciences by the American Society for Clinical Laboratory Sciences (ASCLS) P.A.C.E.® Program.

Course Director: Benjamin L. Witt, MD

Faculty: Katherine Boylan, MD

Disclosure: None of the speakers or planners or anyone in control of content for this accredited continuing educational activity have any relevant financial relationships since the content does not relate to any products or services of an ACCME-defined ineligible company; therefore, there are no relevant financial relationships to disclose or mitigate.

References: Individual courses will provide explanations and references for the content covered by the quiz section of the course. Additional references are available at and

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