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: ActExposureLevelCode

Official URL: http://terminology.hl7.org/CodeSystem/v3-ActExposureLevelCode Version: 3.0.0
Active as of 2019-03-20 Responsible: Health Level Seven International Computable Name: ActExposureLevelCode
Other Identifiers: urn:ietf:rfc:3986#Uniform Resource Identifier (URI)#urn:oid:2.16.840.1.113883.5.1114

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

A qualitative measure of the degree of exposure to the causative agent. This includes concepts such as “low”, “medium” and “high”. This quantifies how the quantity that was available to be administered to the target differs from typical or background levels of the substance.

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

Properties

This code system defines the following properties for its concepts

CodeURITypeDescription
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.
notSelectablehttp://hl7.org/fhir/concept-properties#notSelectablebooleanIndicates that the code is abstract - only intended to be used as a selector for other concepts
statushttp://hl7.org/fhir/concept-properties#statuscodeDesignation 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-ActExposureLevelCode defines the following codes in a Is-A heirarchy:

LvlCodeDisplayDefinitioninternalIdNot Selectablestatus
1_ActExposureLevelCode ActExposureLevelCodeA qualitative measure of the degree of exposure to the causative agent. This includes concepts such as "low", "medium" and "high". This quantifies how the quantity that was available to be administered to the target differs from typical or background levels of the substance.22372trueactive
2  HIGH high**Description:** Exposure to an agent at a relatively high level above background.22373active
2  LOW low**Description:** Exposure to an agent at a relatively low level above background.22374active
2  MEDIUM medium**Description:** Exposure to an agent at a relatively moderate level above background.A22375active

History

DateActionAuthorCustodianComment
2023-11-14reviseMarc DuteauTSMGAdd standard copyright and contact to internal content; up-476
2022-10-18reviseMarc DuteauTSMGFixing missing metadata; up-349
2022-02-17 00:00:32+1100reviseGrahame GrieveVocabulary WGPopulate Missing caseSensitive property; UP-286
2020-05-06reviseTed KleinVocabulary WGMigrated to the UTG maintenance environment and publishing tooling.