• Include these codes as defined in http://terminology.hl7.org/CodeSystem/v3-EntityClass version 2.1.0

  Code	Display	Definition
  HCE	health chart entity	A health chart included to serve as a document receiving entity in the management of medical records.
  ANM	animal	A living subject from the animal kingdom.
  MIC	microorganism	All single celled living organisms including protozoa, bacteria, yeast, viruses, etc.
  PLNT	plant	A living subject from the order of plants.
  NLIV	non-person living subject	A subtype of living subject that includes all living things except the species Homo Sapiens.
  PSN	person	A living subject of the species homo sapiens.
  LIV	living subject	Anything that essentially has the property of life, independent of current state (a dead human corpse is still essentially a living subject).
  CHEM	chemical substance	A substance that is fully defined by an organic or inorganic chemical formula, includes mixtures of other chemical substances. Refine using, e.g., IUPAC codes.
  FOOD	food	Naturally occurring, processed or manufactured entities that are primarily used as food for humans and animals.
  HOLD	holder	A type of container that can hold other containers or other holders.
  CONT	container	A container of other entities.
  CER	certificate representation	A physical artifact that stores information about the granting of authorization.
  MODDV	imaging modality	Class to contain unique attributes of diagnostic imaging equipment.
  DEV	device	A subtype of ManufacturedMaterial used in an activity, without being substantially changed through that activity. The kind of device is identified by the code attribute inherited from Entity. *Usage:* This includes durable (reusable) medical equipment as well as disposable equipment.
  MMAT	manufactured material	Corresponds to the ManufacturedMaterial class
  MAT	material	Any thing that has extension in space and mass, may be of living or non-living origin.
  PUB	public institution	An agency of the people of a state often assuming some authority over a certain matter. Includes government, governmental agencies, associations.
  NAT	Nation	A politically organized body of people bonded by territory and known as a nation.
  STATE	state	A politically organized body of people bonded by territory, culture, or ethnicity, having sovereignty (to a certain extent) granted by other states (enclosing or neighboring states). This includes countries (nations), provinces (e.g., one of the United States of America or a French departement), counties or municipalities. Refine using, e.g., ISO country codes, FIPS-PUB state codes, etc.
  ORG	organization	A social or legal structure formed by human beings.
  CITY	city or town	The territory of a city, town or other municipality.
  COUNTRY	country	The territory of a sovereign nation.
  COUNTY	county or parish	The territory of a county, parish or other division of a state or province.
  PROVINCE	state or province	The territory of a state, province, department or other division of a sovereign country.
  PLC	place	A physical place or site with its containing structure. May be natural or man-made. The geographic position of a place may or may not be constant.
  RGRP	group	A grouping of resources (personnel, material, or places) to be used for scheduling purposes. May be a pool of like-type resources, a team, or combination of personnel, material and places.
  ENT	entity	Corresponds to the Entity class

This value set expansion contains 27 concepts.