Fluorescein dilaurate test of exocrine pancreatic function in cystic fibrosis.

The fluorescein dilaurate test, a non-invasive test of exocrine pancreatic function, was carried out on 21 children with cystic fibrosis and pancreatic exocrine insufficiency, and 12 healthy siblings. The test clearly discriminated between the patients with cystic fibrosis and severe exocrine pancreatic insufficiency and the normal control subjects.