PD-L1 Interpretation in Practice: Expert Education and Training Resources

Webinars, case-based training, and interpretation guidance to support accurate PD-L1 CPS scoring in clinical practice.

Accurate PD-L1 evaluation is critical for identifying patients eligible for immunotherapy. This resource collection brings together expert educational materials designed to support pathologists in PD-L1 interpretation and scoring.

Explore two on-demand webinars covering systematic CPS evaluation and interpretation challenges in Triple Negative Breast Cancer. Practice scoring with the interactive Atlas of Stains featuring annotated PD-L1 IHC 22C3 cases. In addition, discover guidance for PD-L1 testing in head and neck squamous cell carcinoma (HNSCC), including interpretation resources and information on the PD-L1 IHC 22C3 pharmDx assay for Dako Omnis.

For in vitro diagnostic use.

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On-Demand Webinar: A Systematic Approach to Scoring Combined Positive Score (CPS) Using Agilent’s PD-L1 IHC 22C3 pharmDx Assay

In this on-demand webinar, Dr. Alexandros Polydorides, Icahn School of Medicine at Mount Sinai, presents a structured approach to evaluating PD-L1 expression using Combined Positive Score (CPS). Practical scoring demonstrations and case examples illustrate how staining patterns and morphology may influence CPS evaluation.


On-Demand Webinar: PD-L1 Interpretation in Triple Negative Breast Cancer (TNBC)

In this on-demand webinar, David Hardisson, MD, Head of the Department of Anatomic Pathology, University Hospital La Paz, and Alberto Berjon, MD, Surgical Pathologist, La Paz University Hospital, discuss PD-L1 staining characteristics and morphological patterns that impact CPS evaluation in Triple Negative Breast Cancer.

Atlas of Stains – PD-L1 Case Library and Training Tool

The Atlas of Stains provides an interactive training environment to practice PD-L1 interpretation using more than 200 high-resolution PD-L1 IHC 22C3 scanned cases. Annotated examples, scoring exercises, and progress tracking help pathologists refine TPS and CPS evaluation and build confidence in routine diagnostic practice.

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PD-L1 IHC 22C3 pharmDx Interpretation Manual – Head and Neck Squamous Cell Carcinoma (HNSCC)

This interpretation manual provides detailed guidance for evaluating PD-L1 expression in head and neck squamous cell carcinoma using Combined Positive Score (CPS). It includes scoring principles, staining examples, and interpretation recommendations to support reproducible PD-L1 assessment in clinical pathology practice.

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PD-L1 IHC 22C3 pharmDx, Code GE006 for the Agilent Dako Omnis Platform

Learn about the PD-L1 IHC 22C3 pharmDx assay configured for the Dako Omnis platform, enabling automated PD-L1 testing integrated into routine pathology workflows. The assay supports evaluation of PD-L1 expression in NSCLC using TPS and in HNSCC using CPS scoring.

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