This case-sensitive code system http://terminology.hl7.org/CodeSystem/usage-context-type defines the following codes:

CodeDisplayDefinition
gender GenderThe gender of the patient for which this artifact/element applies. For this context type, appropriate values can be found in the http://hl7.org/fhir/ValueSet/administrative-gender value set.
age Age RangeThe age of the patients for which this artifact/element applies. For this context type, the value could be a range that specifies the applicable ages or a code from an appropriate value set such as the MeSH value set http://terminology.hl7.org/ValueSet/v3-AgeGroupObservationValue.
focus Clinical FocusThe clinical concept(s) addressed by the artifact/element. For example, disease, diagnostic test interpretation, medication ordering as in http://hl7.org/fhir/ValueSet/condition-code.
user User TypeThe clinical specialty of the context in which the patient is being treated - For example, PCP, Patient, Cardiologist, Behavioral Professional, Oral Health Professional, Prescriber, etc... taken from a specialty value set such as the NUCC Health Care provider taxonomy value set http://hl7.org/fhir/ValueSet/provider-taxonomy that is relevant to this artifact/element.
workflow Workflow SettingThe settings in which the artifact/element is intended for use. For example, admission, pre-op, etc. For example, the ActEncounterCode value set http://terminology.hl7.org/ValueSet/v3-ActEncounterCode.
task Workflow TaskThe context for the clinical task(s) represented by this artifact/element. For example, this could be any task context represented by the HL7 ActTaskCode value set http://terminology.hl7.org/ValueSet/v3-ActTaskCode. General categories include: order entry, patient documentation and patient information review.
venue Clinical VenueThe venue in which an artifact/element could be used. For example, Outpatient, Inpatient, Home, Nursing home. The code value may originate from the HL7 ServiceDeliveryLocationRoleType value set (http://terminology.hl7.org/ValueSet/v3-ServiceDeliveryLocationRoleType).
species SpeciesThe species to which an artifact/element applies. For example, SNOMED - 387961004 | Kingdom Animalia (organism).
program ProgramA program/project of work for which this artifact/element is applicable.
jurisdiction JurisdictionA country, state, territory or other geographic or geopolicital area for which this artifact/element is applicable.
 <status value="draft"/> <experimental value="false"/> <date value="2020-04-09T21:10:28+00:00"/> <publisher value="Health Level Seven International"/> <contact> <telecom> <system value="url"/> <value value="http://hl7.org"/> </telecom> <telecom> <system value="email"/> <value value="hq@HL7.org"/> </telecom> </contact> <description value="A code that specifies a type of context being specified by a usage context."/> <copyright value="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"/> <caseSensitive value="true"/> <valueSet value="http://terminology.hl7.org/ValueSet/usage-context-type"/> <content value="complete"/> <concept> <code value="gender"/> <display value="Gender"/> <definition value="The gender of the patient for which this artifact/element applies. For this context type, appropriate values can be found in the http://hl7.org/fhir/ValueSet/administrative-gender value set."/> </concept> <concept> <code value="age"/> <display value="Age Range"/> <definition value="The age of the patients for which this artifact/element applies. For this context type, the value could be a range that specifies the applicable ages or a code from an appropriate value set such as the MeSH value set http://terminology.hl7.org/ValueSet/v3-AgeGroupObservationValue."/> </concept> <concept> <code value="focus"/> <display value="Clinical Focus"/> <definition value="The clinical concept(s) addressed by the artifact/element. For example, disease, diagnostic test interpretation, medication ordering as in http://hl7.org/fhir/ValueSet/condition-code."/> </concept> <concept> <code value="user"/> <display value="User Type"/> <definition value="The clinical specialty of the context in which the patient is being treated - For example, PCP, Patient, Cardiologist, Behavioral Professional, Oral Health Professional, Prescriber, etc... taken from a specialty value set such as the NUCC Health Care provider taxonomy value set http://hl7.org/fhir/ValueSet/provider-taxonomy that is relevant to this artifact/element."/> </concept> <concept> <code value="workflow"/> <display value="Workflow Setting"/> <definition value="The settings in which the artifact/element is intended for use. For example, admission, pre-op, etc. For example, the ActEncounterCode value set http://terminology.hl7.org/ValueSet/v3-ActEncounterCode."/> </concept> <concept> <code value="task"/> <display value="Workflow Task"/> <definition value="The context for the clinical task(s) represented by this artifact/element. For example, this could be any task context represented by the HL7 ActTaskCode value set http://terminology.hl7.org/ValueSet/v3-ActTaskCode. General categories include: order entry, patient documentation and patient information review."/> </concept> <concept> <code value="venue"/> <display value="Clinical Venue"/> <definition value="The venue in which an artifact/element could be used. For example, Outpatient, Inpatient, Home, Nursing home. The code value may originate from the HL7 ServiceDeliveryLocationRoleType value set (http://terminology.hl7.org/ValueSet/v3-ServiceDeliveryLocationRoleType)."/> </concept> <concept> <code value="species"/> <display value="Species"/> <definition value="The species to which an artifact/element applies. For example, SNOMED - 387961004 | Kingdom Animalia (organism)."/> </concept> <concept> <code value="program"/> <display value="Program"/> <definition value="A program/project of work for which this artifact/element is applicable."/> </concept> <concept> <code value="jurisdiction"/> <display value="Jurisdiction"/> <definition value="A country, state, territory or other geographic or geopolicital area for which this artifact/element is applicable."/> </concept> </CodeSystem>