Digital Interpretive Proficiency Testing

CADQAS provides expertise, support services and infrastructure to support the growth of regional proficiency testing for selected IHC markers in tissue-based pathology worldwide.

Digital Proficiency Testing for interpretation of ALK and PD-L1 IHC

We are pleased to offer pathologists and healthcare professionals the opportunity to participate in our digital proficiency testing rounds designed for the interpretation of ALK (D5F3) in Non Small Cell Lung Cancer and PD-L1 (SP142) in Triple Negative Breast Cancer and Non Small Cell Lung Cancer.

To participate in our proficiency testing rounds you must first register with CADQAS to obtain login details. To do so please fill in the form below.

Once you have registered you will receive an email whenever we open new rounds for your preferred biomarker indication(s).

We are continually updating our proficiency testing portfolio so please also indicate if you would like to receive information on new tests.

Please see our privacy policy to see how we use personal data obtained through your participation in our proficiency testing schemes.

Taking the proficiency test

If you wish to have more information on how to use the digital tools, please find a copy of the user manual here. Videos on how to take the test and view slides can be found here (using CaseCenter in browser mode) and here (using CaseCenter in application mode).

For any other assistance or to submit suggestions for new proficiency tests please contact

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For information on research services, training and other queries, please get in touch for more information