International guidelines

United Kingdom

Published by:National Institute for Health and Care Excellence

Last published:2016

North America

Published by:American College of Gastroenterology

Last published:2019

Published by:North American Consortium for Histiocytosis

Last published:2019

Rest of the world

Published by:World Health Organization

Last published:2024

Published by:World Health Organization

Last published:2023

Published by:European Alliance of Associations for Rheumatology/American College of Rheumatology

Last published:2023

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