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International Dysphagia Diet Standardisation Initiative



The IDDSI committee came together in 2013 with a goal of developing international standardized terminology and descriptors for dysphagia diets that would meet the needs of individuals with dysphagia across the age span, across all care setting and across all cultures. The outcome of the committee’s work is the creation of the International Dysphagia Diet Framework. In addition, food and drink descriptors along with instructions for easy, reliable and accessible testing methods. 



The IDDSI framework consists of a continuum of 8 levels (0-7), where drinks are measured from Levels 0 – 4, while foods are measured from Levels 3 – 7.

IDDSI Complete Framework 
IDDSI Testing Methods
IDDSI Whole Framework


Address: PO Box 48149, Queesborough PO 
Phone Number: 604-782-1488
Email Address: Peter Lam,

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