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Breath tests – instruction forms

Overview of the different breath tests with detailed instructions per language. As these instructions change regularly, we ask you to consult the most recent version each time on this site.
On this page

Complete and return
Complete the document in full and return it together with the test kit to the laboratory medicine department.

Laboratory medicine department

Stool examination

Adults

 

Fructose

Adults

Children

Leaflet – fructose breath test

Glucose

Adults and children over 25 kg

 

Leaflet – glucose breath test

Lactose

Adults

Children

Leaflet – lactose breath test

Mixed triglycerides

Adults

 

 

 

Leaflet – mixed triglycerides breath test

Octanoic acid

Adults

 

Sucrose

Adults

Children

Leaflet – sucrose breath test

Urea

Adults

 

Leaflet – urea breath test

Last edit: 11 august 2025