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
  130751	Tissue not of interest	Tissue that is other than that which is of interest for the purpose of the task.
  125041	Registration Input	A segment for use as an input to an image registration process.
  125040	Background	That which is not part of an object.
  113132	Single subject extracted from group	A single subject that has been selected from amongst multiple subjects (e.g., a group of animals imaged simultaneously).

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

  Code	Display
  C94970	Reference Region

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

  Code	Display
  17621005	Normal
  289925000	Waste Material
  85756007	Tissue