This code system http://terminology.hl7.org/CodeSystem/diet defines the following codes:
\n \n \n \n \n \n \n \n \n Code\n \n \n | \n \n \n \n \n \n Display\n \n \n | \n \n \n \n \n \n Definition\n \n \n | \n \n \n
\n \n \n \n \n \n vegetarian\n \n \n \n \n \n | \n \n \n Vegetarian | \n \n \n Food without meat, poultry or seafood. | \n \n \n
\n \n \n \n \n \n dairy-free\n \n \n \n \n \n | \n \n \n Dairy Free | \n \n \n Excludes dairy products. | \n \n \n
\n \n \n \n \n \n nut-free\n \n \n \n \n \n | \n \n \n Nut Free | \n \n \n Excludes ingredients containing nuts. | \n \n \n
\n \n \n \n \n \n gluten-free\n \n \n \n \n \n | \n \n \n Gluten Free | \n \n \n Excludes ingredients containing gluten. | \n \n \n
\n \n \n \n \n \n vegan\n \n \n \n \n \n | \n \n \n Vegan | \n \n \n Food without meat, poultry, seafood, eggs, dairy products and other animal-derived substances. | \n \n \n
\n \n \n \n \n \n halal\n \n \n \n \n \n | \n \n \n Halal | \n \n \n Foods that conform to Islamic law. | \n \n \n
\n \n \n \n \n \n kosher\n \n \n \n \n \n | \n \n \n Kosher | \n \n \n Foods that conform to Jewish dietary law. | \n \n \n
\n \n \n