HL7 Terminology (THO)
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This page is part of the HL7 Terminology (v5.5.0: Release) based on FHIR (HL7® FHIR® Standard) R4. This is the current published version in its permanent home (it will always be available at this URL). For a full list of available versions, see the Directory of published versions

CodeSystem: EntityClass

Official URL: http://terminology.hl7.org/CodeSystem/v3-EntityClass Version: 3.0.0
Active as of 2019-03-20 Responsible: Health Level Seven International Computable Name: EntityClass
Other Identifiers: urn:ietf:rfc:3986#Uniform Resource Identifier (URI)#urn:oid:2.16.840.1.113883.5.41

Copyright/Legal: This material derives from the HL7 Terminology THO. THO is copyright ©1989+ Health Level Seven International and is made available under the CC0 designation. For more licensing information see: https://terminology.hl7.org/license

Classifies the Entity class and all of its subclasses. The terminology is hierarchical. At the top is this HL7-defined domain of high-level categories (such as represented by the Entity subclasses). Each of these terms must be harmonized and is specializable. The value sets beneath are drawn from multiple, frequently external, domains that reflect much more fine-grained typing.

This Code system is referenced in the content logical definition of the following value sets:


This code system defines the following properties for its concepts

SpecializesCodingThe 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.
GeneralizesCodingInverse of Specializes. Only included as a derived relationship.
internalIdhttp://terminology.hl7.org/CodeSystem/utg-concept-properties#v3-internal-idcodeThe internal identifier for the concept in the HL7 Access database repository.
Name:Classhttp://terminology.hl7.org/CodeSystem/utg-concept-properties#rim-ClasscodeThe formal name for the class clone under this code
appliesTohttp://terminology.hl7.org/CodeSystem/utg-concept-properties#v3-applies-tostringHaven't a clue!
statushttp://hl7.org/fhir/concept-properties#statuscodeDesignation of a concept's state. Normally is not populated unless the state is retired.


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

1ENT entity

Corresponds to the Entity class

2  HCE health chart entity

A health chart included to serve as a document receiving entity in the management of medical records.

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).

3    NLIV non-person living subject

A subtype of living subject that includes all living things except the species Homo Sapiens.

4      ANM animal

A living subject from the animal kingdom.

4      MIC microorganism

All single celled living organisms including protozoa, bacteria, yeast, viruses, etc.

4      PLNT plant

A living subject from the order of plants.

3    PSN person

A living subject of the species homo sapiens.

2  MAT material

Any thing that has extension in space and mass, may be of living or non-living origin.

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.

3    FOOD food

Naturally occurring, processed or manufactured entities that are primarily used as food for humans and animals.

3    MMAT manufactured material

Corresponds to the ManufacturedMaterial class

4      CONT container

A container of other entities.

5        HOLD holder

A type of container that can hold other containers or other holders.

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.

Usage: This includes durable (reusable) medical equipment as well as disposable equipment.

5        CER certificate representation

A physical artifact that stores information about the granting of authorization.

5        MODDV imaging modality

Class to contain unique attributes of diagnostic imaging equipment.

2  ORG organization

A social or legal structure formed by human beings.

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.

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.

4      NAT Nation

A politically organized body of people bonded by territory and known as a nation.

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.

3    CITY city or town

The territory of a city, town or other municipality.

3    COUNTRY country

The territory of a sovereign nation.

3    COUNTY county or parish

The territory of a county, parish or other division of a state or province.

3    PROVINCE state or province

The territory of a state, province, department or other division of a sovereign country.

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.

11630GroupDeterminer = determinedactive


2023-11-14reviseTSMGMarc DuteauAdd standard copyright and contact to internal content; up-476
2022-10-18reviseTSMGMarc DuteauFixing missing metadata; up-349
2022-02-17 00:00:32+1100reviseVocabulary WGGrahame GrievePopulate Missing caseSensitive property; UP-286
2020-05-06reviseVocabulary WGTed KleinMigrated to the UTG maintenance environment and publishing tooling.