EHA Diagnosis

EHA Diagnosis is a comprehensive reference and educational resource developed by the European Hematology Association to support hematologists in advancing their knowledge of morphology, genetic testing, and flow cytometry, thereby enhancing their diagnostic expertise.

In our website you will find high‑quality reference images and full diagnostic descriptions for most major hematological diagnoses.

Key features

• Expert-curated library of high-quality reference images.
• Comprehensive descriptions of clinical and morphological features.
• High-resolution microscopy images of blood/bone marrow.
• Additional reference results (e.g. immunophenotype and cytogenetics).
• Interactive image manipulation tools.
• Built-in measuring tool for morphological features.

New in 2026

EHA Diagnosis now enables members to actively contribute. Members can download existing materials and upload their own diagnostic images and cases, turning everyday clinical expertise into shared knowledge. Each contribution enriches a growing, expert‑validated library designed to support hematologists worldwide.

How to access EHA Diagnosis

If you’re already an EHA member

You can log in now with your MyEHA username and password. This is the same password as the one you use to access our membership portal. 

If you are not yet an EHA member

You can get unlimited access to EHA Diagnosis by joining our vibrant community. To do this now, visit the Membership page.  

After you’ve paid for membership, it can take up to 24 hours for you to get access to EHA Diagnosis. If you still don’t have access after 24 hours, please email us at [email protected].

Getting started

To start using EHA Diagnosis now and make the most of its features and resources, read our EHA Diagnosis user guide.