FHIR Extensions Pack
5.4.0 - May 2026 International flag

FHIR Extensions Pack, published by HL7 International / FHIR Infrastructure. This guide is not an authorized publication; it is the continuous build for version 5.4.0 built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/HL7/fhir-extensions/ and changes regularly. See the Directory of published versions

Page standards status: Informative

CodeSystems

URLVersionName / TitleStatusFlagsCountΔ v5.3.0
http://hl7.org/fhir/CodeSystem/action-applicability-behavior5.4.0ActionApplicabilityBehavior
Action Applicability Behavior
draft / trial-use / FMM1flat 2 (complete) Added
http://hl7.org/fhir/CodeSystem/artifact-comment-type5.4.0ArtifactCommentType
Artifact comment type codesystem
active / trial-use / FMM2flat 3 (complete)n/c
http://hl7.org/fhir/CodeSystem/authorization-hint5.4.0AuthorizationHint
Authorization Hint CodeSystem
active / trial-use / FMM0flat 4 (complete) Added
http://hl7.org/fhir/CodeSystem/codesystem-fallBackAction5.4.0FallBackAction
Fallback Action Code System
active / trial-use / FMM1flat 2 (complete)n/c
http://hl7.org/fhir/CodeSystem/integrity-check-algorithms5.4.0IntegrityCheckAlgorithms
Integrity check algorithms CodeSystem
active / trial-use / FMM2flat 7 (complete)n/c
http://hl7.org/fhir/CodeSystem/knowledge-capability5.4.0KnowledgeCapability
Knowledge Capability Code System
active / trial-use / FMM2flat 4 (complete)n/c
http://hl7.org/fhir/CodeSystem/measurereport-category5.4.0MeasureReportCategory
Measure Report Category CS
active / trial-use / FMM4flat 3 (complete)n/c
http://hl7.org/fhir/CodeSystem/obligation5.4.0ObligationCodes
Obligation Codes
active / trial-use / FMM4is-a flat compositional 69 (complete)n/c
http://hl7.org/fhir/CodeSystem/r4-equivalence5.4.0ConceptMapEquivalence
ConceptMapEquivalence
active / trial-use / FMM4is-a 9 (complete)n/c
http://hl7.org/fhir/allerg-intol-substance-exp-risk5.4.0AllergyIntoleranceSubstanceExposureRisk
AllergyIntolerance substance exposure risk codesystem
active / trial-use / FMM2flat 2 (complete)n/c
http://hl7.org/fhir/animal-genderstatus5.4.0GenderStatus
gender status code system
active / trial-use / FMM3flat 3 (complete)n/c
http://hl7.org/fhir/capabilitystatement-search-mode5.4.0CSSearchModeCS
CapabilityStatement Search Mode CodeSystem
draft / draft / FMM4flat 3 (complete)n/c
http://hl7.org/fhir/choice-list-orientation5.4.0ChoiceListOrientation
choice list orientation code system
active / trial-use / FMM2flat 2 (complete)n/c
http://hl7.org/fhir/codesystem-altcode-kind5.4.0AlternativeCodeKind
alternative code kind code system
active / trial-use / FMM2flat 5 (complete)n/c
http://hl7.org/fhir/codesystem-properties-mode5.4.0CodeSystemPropertiesMode
code system properties mode code system
active / trial-use / FMM2flat 3 (complete)n/c
http://hl7.org/fhir/coding-purpose5.4.0CodingPurposeCS
Coding Purpose Code System
draft / draft / FMM4is-a 7 (complete)n/c
http://hl7.org/fhir/concept-map-equivalence5.4.0ConceptMapEquivalence
Concept Map Equivalence Code System
active / trial-use / FMM3is-a 10 (complete)n/c
http://hl7.org/fhir/detectedissue-doseType5.4.0DetectedIssueDoseTypeCS
DetectedIssue Dose Type CS
active / trial-use / FMM1is-a flat 2 (complete)n/c
http://hl7.org/fhir/encounter-link-type5.4.0EncounterLinkType
Encounter Link Type CodeSystem
draft / draft / FMM4flat 2 (complete)n/c
http://hl7.org/fhir/encounter-reasonCancelled5.4.0EncounterReasonCancelled
Reasons an Encounter was Cancelled CodeSystem
draft / draft / FMM4flat 9 (complete)n/c
http://hl7.org/fhir/expansion-parameter-source5.4.0ExpansionParameterSource
expansion parameter source code system
active / trial-use / FMM2flat 4 (complete)n/c
http://hl7.org/fhir/feeding-device5.4.0FeedingDeviceCodes
Feeding Device Codes System
active / trial-use / FMM3flat 22 (complete)n/c
http://hl7.org/fhir/flag-priority-code5.4.0FlagPriorityCodes
Flag Priority Codes
active / trial-use / FMM3flat 4 (complete)n/c
http://hl7.org/fhir/goal-acceptance-status5.4.0GoalAcceptanceStatus
goal acceptance status code system
active / trial-use / FMM2flat 3 (complete)n/c
http://hl7.org/fhir/goal-relationship-type5.4.0GoalRelationshipType
goal relationship type code system
active / trial-use / FMM2flat 5 (complete)n/c
http://hl7.org/fhir/hl7-work-group5.4.0HL7Workgroup
hl7 workgroup code system
Changedretired / Withdrawn / FMM3flat 43 (complete) Changed (D)
http://hl7.org/fhir/implantStatus5.4.0ImplantStatus
Implant Status Code System
active / trial-use / FMM2flat 4 (complete)n/c
http://hl7.org/fhir/inheritance-control-code5.4.0InheritanceControlCodes
Inheritance Control Codes System
active / trial-use / FMM2flat 5 (complete)n/c
http://hl7.org/fhir/language-preference-type5.4.0LanguagePreferenceType
language preference type code system
active / trial-use / FMM3flat 2 (complete)n/c
http://hl7.org/fhir/match-grade5.4.0MatchGrade
match grade code system
active / trial-use / FMM2flat 4 (complete)n/c
http://hl7.org/fhir/medication-characteristic-type5.4.0MedicationCharacteristicType
Medication Characteristic Type
Changedactive / trial-use / FMM1flat 10 (complete)n/c
http://hl7.org/fhir/medication-classification-type5.4.0MedicationClassificationType
Medication Classification Type
Changedactive / trial-use / FMM1flat 10 (complete)n/c
http://hl7.org/fhir/narrative-language-control5.4.0NarrativeLanguageControlCS
Narrative Language Control CodeSystem
active / trial-use / FMM2is-a flat 3 (complete)n/c
http://hl7.org/fhir/patient-bornstatus5.4.0BornStatus
born status code system
retired / deprecated / FMM4flat 4 (complete)n/c
http://hl7.org/fhir/patient-fetalstatus5.4.0FetalStatus
fetal status code system
draft / draft / FMM4flat 3 (complete)n/c
http://hl7.org/fhir/patient-unknownIdentity5.4.0PatientUnknownIdentity
Patient's/person's identity is known/unknown.
draft / draft / FMM4flat 2 (complete)n/c
http://hl7.org/fhir/practitioner-job-title5.4.0PractitionerJobTitle
Practitioner Job Title
active / trial-use / FMM2flat 3 (complete)n/c
http://hl7.org/fhir/procedure-progress-status-code5.4.0ProcedureProgressStatusCodes
Procedure Progress Status Codes System
active / trial-use / FMM3flat 6 (complete)n/c
http://hl7.org/fhir/pronouns5.4.0Pronouns
Pronouns
active / trial-use / FMM2flat 5 (complete)n/c
http://hl7.org/fhir/questionnaire-derivationType5.4.0QuestionnaireDerivationType
Questionnaire Derivation Type Codes
active / trial-use / FMM4is-a 4 (complete)n/c
http://hl7.org/fhir/questionnaire-display-category5.4.0QuestionnaireDisplayCategories
Questionnaire Display Categories Code System
active / trial-use / FMM3flat 3 (complete)n/c
http://hl7.org/fhir/questionnaire-item-control5.4.0QuestionnaireItemUIControlCodes
Questionnaire Item UI Control Codes System
active / trial-use / FMM3is-a 28 (complete)n/c
http://hl7.org/fhir/questionnaire-usage-mode5.4.0QuestionnaireItemUsageMode
questionnaire item usage mode code system
active / trial-use / FMM2flat 5 (complete)n/c
http://hl7.org/fhir/reaction-event-certainty5.4.0AllergyIntoleranceCertainty
AllergyIntolerance Certainty CodeSystem
active / trial-use / FMM2flat 4 (complete)n/c
http://hl7.org/fhir/research-study-registration-activity5.4.0ResearchStudyRegistrationActivity
ResearchStudy Registration Activity Code System
active / trial-use / FMM1flat 13 (complete)n/c
http://hl7.org/fhir/resource-security-category5.4.0ResourceSecurityCategory
resource security category code system
active / trial-use / FMM2flat 5 (complete)n/c
http://hl7.org/fhir/secondary-finding5.4.0GeneticObservationSecondaryFindings
Genetic Observation Secondary Findings Code System
Changedretired / deprecated / FMM3flat 2 (complete)n/c
http://hl7.org/fhir/standards-status5.4.0StandardsStatus
standards status code system
active / trial-use / FMM2flat 7 (complete)n/c
http://hl7.org/fhir/subject-locationClassification5.4.0EncounterSubjectLocationClassification
An example set of classifications of the location of the subject in an Encounter.
draft / draft / FMM4flat 3 (complete)n/c
http://hl7.org/fhir/synchronicity-control5.4.0OperationSynchronicityControlCodeSystem
Operation Synchronicity Control Codes
active / normative / FMM5flat 3 (complete)n/c
http://hl7.org/fhir/template-status-code5.4.0TemplateStatusCode
template status code system
active / trial-use / FMM2flat 8 (complete)n/c
http://hl7.org/fhir/type-characteristics-code5.4.0TypeCharacteristicCodes
Type Characteristic Codes System
active / trial-use / FMM2is-a 9 (complete)n/c

ValueSets

URLName / TitleStatusFlagsSourceΔ v5.3.0
http://hl7.org/fhir/ValueSet/action-applicability-behaviorActionApplicabilityBehavior
Action Applicability Behavior
draft / trial-use / FMM1A Internal Added
http://hl7.org/fhir/ValueSet/allerg-intol-substance-exp-riskAllergyIntoleranceSubstanceExposureRisk
AllergyIntolerance substance exposure risk valueset
active / trial-use / FMM3A Internaln/c
http://hl7.org/fhir/ValueSet/animal-breedsAnimalBreeds
animal breeds
active / trial-use / FMM3E SCTn/c
http://hl7.org/fhir/ValueSet/animal-genderstatusGenderStatus
gender status value set
active / trial-use / FMM3A Internaln/c
http://hl7.org/fhir/ValueSet/animal-speciesAnimalSpecies
animal species
active / trial-use / FMM3E SCT Changed (D)
http://hl7.org/fhir/ValueSet/artifact-comment-typeArtifactCommentType
Artifact comment type valueset
active / trial-use / FMM2A Internaln/c
http://hl7.org/fhir/ValueSet/authorization-hintAuthorizationHintVS
Authorization Hint ValueSet
active / trial-use / FMM4A Internal Added
http://hl7.org/fhir/ValueSet/barrierBarrier
Barrier
active / trial-use / FMM2E SCTn/c
http://hl7.org/fhir/ValueSet/blinded-roleBlindedRole
Blinded Role
draft / draft / FMM1E Othern/c
http://hl7.org/fhir/ValueSet/capabilitystatement-search-modeCSSearchModeVS
CapabilityStatement Search Mode ValueSet
draft / draft / FMM4A Internaln/c
http://hl7.org/fhir/ValueSet/choice-list-orientationChoiceListOrientation
choice list orientation value set
active / trial-use / FMM3A Internaln/c
http://hl7.org/fhir/ValueSet/codesystem-altcode-kindAlternativeCodeKind
alternative code kind value set
active / trial-use / FMM3A Internaln/c
http://hl7.org/fhir/ValueSet/codesystem-properties-modeCodeSystemPropertiesMode
code system properties mode value set
active / trial-use / FMM2A Internaln/c
http://hl7.org/fhir/ValueSet/coding-purposeCodingPurposeVS
Coding Purpose ValueSet
draft / draft / FMM4A Internaln/c
http://hl7.org/fhir/ValueSet/concept-map-equivalenceConceptMapEquivalence
Concept Map Equivalence Value Set
active / trial-use / FMM3A Internaln/c
http://hl7.org/fhir/ValueSet/condition-causeConditionCauseCodes
Condition Cause Codes
active / trial-use / FMM3A SCTn/c
http://hl7.org/fhir/ValueSet/condition-courseConditionCourseCodes
Condition Course Codes
active / trial-use / FMM2I SCTn/c
http://hl7.org/fhir/ValueSet/condition-predecessorConditionPredecessorCodes
Condition Predecessor Codes
active / trial-use / FMM3A SCTn/c
http://hl7.org/fhir/ValueSet/dataelement-sdcobjectclassDataElementSDCObjectClass
DataElement SDC Object Class
active / trial-use / FMM3A LOINC, RxNorm, SCTn/c
http://hl7.org/fhir/ValueSet/dataelement-sdcobjectclasspropertyDataElementSDCObjectClassProperty
DataElement SDC Object Class Property
active / trial-use / FMM3A LOINC, RxNorm, SCTn/c
http://hl7.org/fhir/ValueSet/detectedissue-doseTypeDetectedIssueDoseTypeVS
DetectedIssue Dose Type VS
active / trial-use / FMM1A Internaln/c
http://hl7.org/fhir/ValueSet/encounter-link-typeEncounterLinkType
Encounter Link Type
draft / draft / FMM4A Internaln/c
http://hl7.org/fhir/ValueSet/encounter-reasonCancelledEncounterReasonCancelled
Reasons an Encounter was Cancelled
draft / draft / FMM4A Internaln/c
http://hl7.org/fhir/ValueSet/expansion-parameter-sourceExpansionParameterSource
expansion parameter source value set
active / trial-use / FMM3A Internaln/c
http://hl7.org/fhir/ValueSet/feeding-deviceFeedingDeviceCodes
Feeding Device Codes Value Set
active / trial-use / FMM3A I Internal, SCTn/c
http://hl7.org/fhir/ValueSet/flag-priorityFlagPriorityCodes
Flag Priority Codes Value Set
active / trial-use / FMM3A Internaln/c
http://hl7.org/fhir/ValueSet/focal-subjectFocalSubjectCodes
Focal Subject Codes
active / trial-use / FMM3E SCT, THO (V3) Changed (D)
http://hl7.org/fhir/ValueSet/goal-acceptance-statusGoalAcceptanceStatus
goal acceptance status value set
active / trial-use / FMM3A Internaln/c
http://hl7.org/fhir/ValueSet/goal-relationship-typeGoalRelationshipType
goal relationship type value set
active / trial-use / FMM3A Internaln/c
http://hl7.org/fhir/ValueSet/hl7-work-groupHL7Workgroup
hl7 workgroup value set
Changedretired / Withdrawn / FMM3A THO Changed (C)
http://hl7.org/fhir/ValueSet/implantStatusImplantStatus
Implant Status Value Set
active / trial-use / FMM3A Internaln/c
http://hl7.org/fhir/ValueSet/inheritance-control-codeInheritanceControlCodes
Inheritance Control Codes Value Set
active / trial-use / FMM2A Internaln/c
http://hl7.org/fhir/ValueSet/integrity-check-algorithmsIntegrityCheckAlgorithms
Integrity check algorithms ValueSet
active / trial-use / FMM3A Internaln/c
http://hl7.org/fhir/ValueSet/knowledge-capabilityKnowledgeCapability
Knowledge Capability Value Set
active / trial-use / FMM2A Internaln/c
http://hl7.org/fhir/ValueSet/language-preference-typeLanguagePreferenceType
language preference type value set
active / trial-use / FMM3E Internaln/c
http://hl7.org/fhir/ValueSet/major-fhir-versionMajorFHIRVersions
Major FHIR Versions
active / trial-use / FMM3E hl7.fhir.r5.coren/c
http://hl7.org/fhir/ValueSet/match-gradeMatchGrade
match grade value set
active / trial-use / FMM3A Internaln/c
http://hl7.org/fhir/ValueSet/measurereport-categoryMeasureReportCategory
Measure Report Category VS
active / trial-use / FMM4A Internaln/c
http://hl7.org/fhir/ValueSet/medication-characteristic-typeMedicationCharacteristicTypeVS
Medication Characteristic Type VS
Changedactive / trial-use / FMM1A Internaln/c
http://hl7.org/fhir/ValueSet/medication-classification-typeMedicationClassificationTypeVS
Medication Classification Type VS
Changedactive / trial-use / FMM1A Internaln/c
http://hl7.org/fhir/ValueSet/medication-typeMedicationTypeVS
Medication Type VS
active / trial-use / FMM1E SCTn/c
http://hl7.org/fhir/ValueSet/name-assembly-orderHumanNameAssemblyOrder
HumanNameAssemblyOrder
active / trial-use / FMM3A E THO, THO (V2), THO (V3) Changed (D)
http://hl7.org/fhir/ValueSet/name-part-qualifierEntityNamePartQualifier
EntityNamePartQualifier
active / trial-use / FMM3E THO (V3) Changed (D)
http://hl7.org/fhir/ValueSet/name-v3-representationNameRepresentationUse
NameRepresentationUse
active / trial-use / FMM3E THO (V3)n/c
http://hl7.org/fhir/ValueSet/narrative-language-controlNarrativeLanguageControlVS
Narrative Language Control ValueSet
active / trial-use / FMM2A Internal, Othern/c
http://hl7.org/fhir/ValueSet/object-lifecycle-eventsObjectLifecycleEvents
ObjectLifecycleEvents
active / trial-use / FMM3A THOn/c
http://hl7.org/fhir/ValueSet/obligationObligationCodesVS
Obligation Codes ValueSet
active / trial-use / FMM4I Internaln/c
http://hl7.org/fhir/ValueSet/parent-relationship-codesParentRelationshipCodes
Parent Relationship Codes
active / trial-use / FMM3I THO (V3)n/c
http://hl7.org/fhir/ValueSet/patient-bornstatusBornStatus
born status value set
retired / deprecated / FMM4A Internaln/c
http://hl7.org/fhir/ValueSet/patient-fetalstatusFetalStatus
fetal status value set
draft / draft / FMM4A Internaln/c
http://hl7.org/fhir/ValueSet/patient-unknownIdentityPatientUnknownIdentity
Patient's/person's identity is known/unknown
draft / draft / FMM4A Internaln/c
http://hl7.org/fhir/ValueSet/postal-address-usePostalAddressUse
PostalAddressUse
active / trial-use / FMM3E THO (V3)n/c
http://hl7.org/fhir/ValueSet/practitioner-job-titlePractitionerJobTitle
practitioner job title
active / trial-use / FMM2A Internaln/c
http://hl7.org/fhir/ValueSet/practitionerrole-employmentStatusPractitionerRoleEmploymentStatus
Practitioner Role Employment Status value set
draft / draft / FMM4A THO (V2) Changed (C)
http://hl7.org/fhir/ValueSet/probability-distribution-typeProbabilityDistributionType
ProbabilityDistributionType
active / trial-use / FMM3E THO (V3)n/c
http://hl7.org/fhir/ValueSet/procedure-progress-status-codesProcedureProgressStatusCodes
Procedure Progress Status Codes Value Set
active / trial-use / FMM3A Internaln/c
http://hl7.org/fhir/ValueSet/protective-factorProtectiveFactor
Protective Factor
active / trial-use / FMM2E SCTn/c
http://hl7.org/fhir/ValueSet/questionnaire-derivationTypeQuestionnaireDerivationType
Questionnaire Derivation Type Valueset
Changedactive / trial-use / FMM4A Internaln/c
http://hl7.org/fhir/ValueSet/questionnaire-display-categoryQuestionnaireDisplayCategories
Questionnaire Display Categories Value Set
active / trial-use / FMM3A Internaln/c
http://hl7.org/fhir/ValueSet/questionnaire-item-controlQuestionnaireItemUIControlCodes
Questionnaire Item UI Control Codes Value Set
active / trial-use / FMM3A Internaln/c
http://hl7.org/fhir/ValueSet/questionnaire-usage-modeQuestionnaireItemUsageMode
questionnaire item usage mode value set
active / trial-use / FMM3A Internaln/c
http://hl7.org/fhir/ValueSet/questionnaireresponse-modeQuestionnaireResponseMode
Questionnaire Response Mode
active / trial-use / FMM3E THO (V3)n/c
http://hl7.org/fhir/ValueSet/reaction-event-certaintyAllergyIntoleranceCertainty
AllergyIntolerance Certainty ValueSet
active / trial-use / FMM3A Internaln/c
http://hl7.org/fhir/ValueSet/research-study-registration-activityResearchStudyRegistrationActivity
ResearchStudyRegistrationActivity
active / trial-use / FMM2A Internaln/c
http://hl7.org/fhir/ValueSet/resource-security-categoryResourceSecurityCategory
resource security category value set
active / trial-use / FMM3A Internaln/c
http://hl7.org/fhir/ValueSet/secondary-findingGeneticObservationSecondaryFindings
Genetic Observation Secondary Findings Value Set
Changedretired / deprecated / FMM3A Internaln/c
http://hl7.org/fhir/ValueSet/select-by-map-filterSelectByMapFilterCodesVS
SelectByMap Filter Codes (VS)
active / trial-use / FMM1A V Internaln/c
http://hl7.org/fhir/ValueSet/sibling-relationship-codesSiblingRelationshipCodes
Sibling Relationship Codes
active / trial-use / FMM3I THO (V3)n/c
http://hl7.org/fhir/ValueSet/specimen-additive-substanceSpecimenAdditiveSubstanceCodes
Specimen Additive Substance Codes
draft / draft / FMM4I SCTn/c
http://hl7.org/fhir/ValueSet/specimen-collection-prioritySpecimenCollectionPriority
specimen collection priority
active / trial-use / FMM3A THO (V2)n/c
http://hl7.org/fhir/ValueSet/specimen-reject-reasonSpecimenRejectReasonCodes
Specimen Reject Reason Codes
draft / draft / FMM4A THO (V2)n/c
http://hl7.org/fhir/ValueSet/standards-statusStandardsStatus
standards status value set
active / trial-use / FMM3A Internaln/c
http://hl7.org/fhir/ValueSet/status-reasonStatusReasonValueSet
Status Reaaon
active / trial-use / FMM2E THO (V3)n/c
http://hl7.org/fhir/ValueSet/structure-laterality-vsStructureLateralityValueSet
Structure Laterality Value Set
active / trial-use / FMM1E SCTn/c
http://hl7.org/fhir/ValueSet/subject-locationClassificationEncounterSubjectLocationClassification
An example set of classifications of the location of the subject in an Encounter
draft / draft / FMM4A Internaln/c
http://hl7.org/fhir/ValueSet/synchronicity-controlOperationSynchronicityControl
Operation Synchronicity Control ValueSet
active / normative / FMM5A Internaln/c
http://hl7.org/fhir/ValueSet/template-status-codeTemplateStatusCode
template status code value set
active / trial-use / FMM3A Internaln/c
http://hl7.org/fhir/ValueSet/time-duration-unitsCommonUCUMCodesForTimeDuration
Common UCUM Codes for Time Duration
active / trial-use / FMM1E UCUM Changed (D)
http://hl7.org/fhir/ValueSet/type-characteristics-codeTypeCharacteristicCodes
Type Characteristic Codes Value Set
active / trial-use / FMM2A Internaln/c
http://hl7.org/fhir/ValueSet/valueset-fallBackActionFallBackAction
Fallback Action ValueSet
active / trial-use / FMM1A Internaln/c