Welcome to the DAS-score website. Here, you can find all the information in relation with the

DAS(28); an instrument to measure the disease activity in people with Rheumatoid Arthritis.


For patient information, click here:    For professional information, click here: 

Patient desk

 patient information 


 professional information


Please click on the links below for quick access to the validated:

Online DAS calculatorMS Excel DAS calculator or MS Word DAS28 form.


Also watch the DAS28 instruction video



The DAS-28 and its derivatives are protected by copyright with all rights reserved to Prof. dr. Piet L.C.M. van Riel. Mapi Research Trust a not for-profit company located in France , distributes the DAS-28 internationally. If you are interested in using the DAS-28, please submit your request through ePROVIDE, Mapi Research Trust’s online platform