This page is part of the FHIR Core Extensions Registry (v5.1.0: Release 5.1) based on FHIR (HL7® FHIR® Standard) v5.0.0. 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

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Extension: Best Practice

Official URL: http://hl7.org/fhir/StructureDefinition/elementdefinition-bestpractice				Version: 5.1.0
Standards status: Trial-use			Maturity Level: 3	Computable Name: BestPractice
Other Identifiers: OID:2.16.840.1.113883.4.642.5.1620

Mark that an invariant represents ‘best practice’ rule - a rule that implementers may choose to enforce at error level in some or all circumstances.

Context of Use

This extension may be used on the following element(s):

• Element ID ElementDefinition.constraint
• Extension URL http://hl7.org/fhir/StructureDefinition/targetConstraint

Usage info

Usage:

• Examples for this Extension: Account, Actual Group, AdministrableProductDefinition, AdverseEvent... Show 147 more, AllergyIntolerance, Appointment, AppointmentResponse, ArtifactAssessment, AuditEvent, Basic, BiologicallyDerivedProduct, BiologicallyDerivedProductDispense, Observation Body Mass Index Profile, Observation Body Height Profile, BodyStructure, Observation Body Temperature Profile, Observation Body Weight Profile, Observation Blood Pressure Profile, CanonicalResource, CarePlan, CareTeam, Profile for Catalog, C D S Hooks Guidance Response, C D S Hooks Request Orchestration, ChargeItem, Example Lipid Profile, Claim, ClaimResponse, Clinical Document, ClinicalImpression, ClinicalUseDefinition, Communication, CommunicationRequest, Composition, Condition, Consent, Contract, Coverage, CoverageEligibilityRequest, CoverageEligibilityResponse, DetectedIssue, Device, DeviceAssociation, DeviceDefinition, DeviceDispense, DeviceMetric, Device Metric Observation Profile, DeviceRequest, DeviceUsage, DiagnosticReport, DocumentReference, DomainResource, EBM Recommendation, DataElement constraint on ElementDefinition data type, ElementDefinition, Encounter, EncounterHistory, Endpoint, EnrollmentRequest, EnrollmentResponse, EpisodeOfCare, ExplanationOfBenefit, Family member history for genetics analysis, FamilyMemberHistory, Flag, FormularyItem, GenomicStudy, Goal, Group, Group Definition, GuidanceResponse, Example Lipid Profile, Observation Head Circumference Profile, HealthcareService, Observation Heart Rate Profile, ImagingSelection, ImagingStudy, Immunization, ImmunizationEvaluation, ImmunizationRecommendation , Ingredient, InsurancePlan, InventoryItem, InventoryReport, Invoice, Example Lipid Profile, Linkage, Example Lipid Profile, List, Location, ManufacturedItemDefinition, MeasureReport, Medication, MedicationAdministration, MedicationDispense, MedicationRequest, MedicationStatement, MedicinalProductDefinition, MessageHeader, MolecularSequence, NutritionIntake, NutritionOrder, NutritionProduct, Observation, OperationOutcome, Organization, OrganizationAffiliation, Observation Oxygen Saturation Profile, PackagedProductDefinition, Patient, PaymentNotice, PaymentReconciliation, Permission, Person, Practitioner, PractitionerRole, Procedure, Provenance Relevant History, Provenance, QuestionnaireResponse, RegulatedAuthorization, RelatedPerson, RequestOrchestration, ResearchStudy, ResearchSubject, Observation Respiratory Rate Profile, RiskAssessment, Schedule, ServiceRequest, Slot, Specimen, StructureDefinition, Subscription, SubscriptionStatus, Substance, SubstanceDefinition, SubstanceNucleicAcid, SubstancePolymer, SubstanceProtein, SubstanceReferenceInformation, SubstanceSourceMaterial, SupplyDelivery, SupplyRequest, Task, TestReport, Transport, Example Lipid Profile, VerificationResult, VisionPrescription, Vital Signs Profile and Observation Vital Signs Panel Profile

Formal Views of Extension Content

Description of Profiles, Differentials, Snapshots, and how the XML and JSON presentations work.

 

Other representations of profile: CSV, Excel, Schematron

Terminology Bindings

Path	Conformance	ValueSet	URI
Extension.value[x]	extensible	ContextOfUseValueSet http://hl7.org/fhir/ValueSet/use-context from the FHIR Standard

Constraints

Id	Grade	Path(s)	Details	Requirements
ele-1	error	**ALL** elements	All FHIR elements must have a @value or children : hasValue() or (children().count() > id.count())
ext-1	error	**ALL** extensions	Must have either extensions or value[x], not both : extension.exists() != value.exists()

Search Parameters for this Extension

(none found)