FHIR Server Base URL
https://hapi.fhir.org/baseR4
OpenAPI Docs
https://hapi.fhir.org/baseR4/api-docs
FHIR Version
4.0.1 (R4)

This server is Open Source Software, licensed under the terms of the Apache Software License 2.0.

All System Level Operations Observation 5903368 Patient 4659802 Encounter 2197257 Specimen 1881716 Composition 940917 Bundle 406411 Condition 235544 Binary 230974 Location 228212 Organization 163376 Claim 136308 MedicationStatement 102703 AuditEvent 96405 QuestionnaireResponse 91847 Coverage 91039 ExplanationOfBenefit 90128 Procedure 83803 Slot 82230 Practitioner 68599 DiagnosticReport 67487 RelatedPerson 64533 Immunization 58177 MedicationRequest 46646 MedicationKnowledge 42992 DocumentReference 41808 Appointment 41154 Schedule 40996 TestScript 32682 PractitionerRole 30780 Media 29866 MessageHeader 28996 Device 22485 AllergyIntolerance 20038 ClaimResponse 18453 List 17210 Medication 16569 ServiceRequest 12884 CarePlan 12622 MedicationAdministration 10633 Questionnaire 9147 ImagingStudy 8272 CareTeam 7728 Goal 7080 StructureDefinition 5873 Provenance 5741 ValueSet 5427 CodeSystem 4966 Task 4037 HealthcareService 3927 Basic 3803 SupplyDelivery 2750 OrganizationAffiliation 2615 Endpoint 2586 ImmunizationRecommendation 2570 DeviceRequest 2465 MedicationDispense 2413 Communication 2233 Consent 2022 OperationOutcome 1738 Flag 1582 SpecimenDefinition 1355 RiskAssessment 1340 SubstanceProtein 1339 FamilyMemberHistory 1292 Person 1256 Invoice 1149 ChargeItemDefinition 1108 Subscription 1075 CapabilityStatement 1037 CoverageEligibilityRequest 1018 ActivityDefinition 989 CommunicationRequest 935 PlanDefinition 854 Group 818 Account 751 ConceptMap 649 Parameters 629 ChargeItem 604 SearchParameter 599 MolecularSequence 583 EpisodeOfCare 562 Measure 518 ClinicalImpression 486 InsurancePlan 440 MeasureReport 413 AppointmentResponse 394 AdverseEvent 384 Substance 376 DeviceMetric 308 BodyStructure 296 DocumentManifest 290 DeviceUseStatement 283 Library 276 DetectedIssue 258 ResearchSubject 252 NamingSystem 251 SupplyRequest 238 NutritionOrder 224 ResearchStudy 188 OperationDefinition 163 Contract 154 RequestGroup 151 ObservationDefinition 135 StructureMap 108 PaymentNotice 97 ImplementationGuide 72 CoverageEligibilityResponse 71 Evidence 66 PaymentReconciliation 64 MessageDefinition 57 MedicinalProduct 56 ResearchDefinition 56 DeviceDefinition 55 ImmunizationEvaluation 55 EvidenceVariable 53 RiskEvidenceSynthesis 53 CompartmentDefinition 52 EnrollmentRequest 50 GuidanceResponse 50 Linkage 49 EventDefinition 48 GraphDefinition 48 ResearchElementDefinition 44 VisionPrescription 42 ExampleScenario 40 TerminologyCapabilities 38 EffectEvidenceSynthesis 36 TestReport 34 BiologicallyDerivedProduct 30 SubstanceSpecification 28 VerificationResult 26 CatalogEntry 24 MedicinalProductIngredient 23 MedicinalProductInteraction 23 MedicinalProductPharmaceutical 23 SubstanceNucleicAcid 22 MedicinalProductAuthorization 21 SubstanceReferenceInformation 21 EnrollmentResponse 20 MedicinalProductContraindication 19 MedicinalProductManufactured 19 MedicinalProductPackaged 19 MedicinalProductIndication 18 SubstanceSourceMaterial 17 SubstancePolymer 12 MedicinalProductUndesirableEffect 10