This value set includes codes based on the following rules:

• Include these codes as defined in http://dicom.nema.org/resources/ontology/DCM

  Code	Display	Definition
  127391	Food treat	A food item that is out of the ordinary and provides pleasure.

• Include these codes as defined in http://ncit.nci.nih.gov

  Code	Display
  C64636	ad libitum

• Include these codes as defined in http://snomed.info/sct

  Code	Display
  61420007	Gavage

• Include these codes as defined in http://www.nlm.nih.gov/research/umls

  Code	Display
  C0425422	Restricted diet