Properties

This code system defines the following properties for its concepts

Code	URI	Type	Description
Specializes		Coding	The child code is a more narrow version of the concept represented by the parent code. I.e. Every child concept is also a valid parent concept. Used to allow determination of subsumption. Must be transitive, irreflexive, antisymmetric.
Generalizes		Coding	Inverse of Specializes. Only included as a derived relationship.
internalId	http://terminology.hl7.org/CodeSystem/utg-concept-properties#v3-internal-id	code	The internal identifier for the concept in the HL7 Access database repository.
Name:Class	http://terminology.hl7.org/CodeSystem/utg-concept-properties#rim-Class	code	The formal name for the class clone under this code
appliesTo	http://terminology.hl7.org/CodeSystem/utg-concept-properties#v3-applies-to	string	Haven't a clue!
status	http://hl7.org/fhir/concept-properties#status	code	Designation of a concept's state. Normally is not populated unless the state is retired.

Concepts

This case-sensitive code system http://terminology.hl7.org/CodeSystem/v3-EntityClass defines the following codes in a Is-A heirarchy:

Lvl	Code	Display	Definition	internalId	Name:Class	appliesTo	status
1	ENT	entity	Corresponds to the Entity class \n	13922	Entity		active
2	HCE	health chart entity	A health chart included to serve as a document receiving entity in the management of medical records. \n	16755	HealthChart		active
2	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). \n	10884	LivingSubject		active
3	NLIV	non-person living subject	A subtype of living subject that includes all living things except the species Homo Sapiens. \n	11621	NonPersonLivingSubject		active
4	ANM	animal	A living subject from the animal kingdom. \n	10885	Animal		active
4	MIC	microorganism	All single celled living organisms including protozoa, bacteria, yeast, viruses, etc. \n	14028	Microorganism		active
4	PLNT	plant	A living subject from the order of plants. \n	10886	Plant		active
3	PSN	person	A living subject of the species homo sapiens. \n	10887	Person		active
2	MAT	material	Any thing that has extension in space and mass, may be of living or non-living origin. \n	10883	Material		active
3	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. \n	10888	ChemicalSubstance		active
3	FOOD	food	Naturally occurring, processed or manufactured entities that are primarily used as food for humans and animals. \n	14027	Food		active
3	MMAT	manufactured material	Corresponds to the ManufacturedMaterial class \n	13934	ManufacturedMaterial		active
4	CONT	container	A container of other entities. \n	11622	Container		active
5	HOLD	holder	A type of container that can hold other containers or other holders. \n	14029	Holder		active
4	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. \n Usage: This includes durable (reusable) medical equipment as well as disposable equipment. \n	11623	Device		active
5	CER	certificate representation	A physical artifact that stores information about the granting of authorization. \n	16098	CertificateRepresentation		active
5	MODDV	imaging modality	Class to contain unique attributes of diagnostic imaging equipment. \n	13939	ModalityDevice		active
2	ORG	organization	A social or legal structure formed by human beings. \n	10889	Organization		active
3	PUB	public institution	An agency of the people of a state often assuming some authority over a certain matter. Includes government, governmental agencies, associations. \n	10891	PublicInstitution		active
3	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. \n	10890	State		active
4	NAT	Nation	A politically organized body of people bonded by territory and known as a nation. \n	20093	Nation		active
2	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. \n	10892	Place		active
3	CITY	city or town	The territory of a city, town or other municipality. \n	16835	City		active
3	COUNTRY	country	The territory of a sovereign nation. \n	16836	Country		active
3	COUNTY	county or parish	The territory of a county, parish or other division of a state or province. \n	16837	Parish		active
3	PROVINCE	state or province	The territory of a state, province, department or other division of a sovereign country. \n	16838	Province		active
2	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. \n	11630	Group	Determiner = determined	active