This code system http://hl7.org/fhir/event-resource-types defines the following codes:
| Code | Display | Definition |
| ChargeItem | ChargeItem | Item containing charge code(s) associated with the provision of healthcare provider products. |
| ClaimResponse | ClaimResponse | Remittance resource. |
| ClinicalImpression | ClinicalImpression | A clinical assessment performed when planning treatments and management strategies for a patient. |
| Communication | Communication | A record of information transmitted from a sender to a receiver. |
| Composition | Composition | A set of resources composed into a single coherent clinical statement with clinical attestation. |
| Condition | Condition | Detailed information about conditions, problems or diagnoses. |
| Consent | Consent | A healthcare consumer's policy choices to permits or denies recipients or roles to perform actions for specific purposes and periods of time. |
| Coverage | Coverage | Insurance or medical plan or a payment agreement. |
| DeviceUseStatement | DeviceUseStatement | Record of use of a device. |
| DiagnosticReport | DiagnosticReport | A Diagnostic report - a combination of request information, atomic results, images, interpretation, as well as formatted reports. |
| DocumentManifest | DocumentManifest | A list that defines a set of documents. |
| DocumentReference | DocumentReference | A reference to a document. |
| Encounter | Encounter | An interaction during which services are provided to the patient. |
| EnrollmentResponse | EnrollmentResponse | EnrollmentResponse resource. |
| EpisodeOfCare | EpisodeOfCare | An association of a Patient with an Organization and Healthcare Provider(s) for a period of time that the Organization assumes some level of responsibility. |
| ExplanationOfBenefit | ExplanationOfBenefit | Explanation of Benefit resource. |
| FamilyMemberHistory | FamilyMemberHistory | Information about patient's relatives, relevant for patient. |
| GuidanceResponse | GuidanceResponse | The formal response to a guidance request. |
| ImagingStudy | ImagingStudy | A set of images produced in single study (one or more series of references images). |
| Immunization | Immunization | Immunization event information. |
| MeasureReport | MeasureReport | Results of a measure evaluation. |
| Media | Media | A photo, video, or audio recording acquired or used in healthcare. The actual content may be inline or provided by direct reference. |
| MedicationAdministration | MedicationAdministration | Administration of medication to a patient. |
| MedicationDispense | MedicationDispense | Dispensing a medication to a named patient. |
| MedicationStatement | MedicationStatement | Record of medication being taken by a patient. |
| Observation | Observation | Measurements and simple assertions. |
| PaymentNotice | PaymentNotice | PaymentNotice request. |
| PaymentReconciliation | PaymentReconciliation | PaymentReconciliation resource. |
| Procedure | Procedure | An action that is being or was performed on a patient. |
| ProcessResponse | ProcessResponse | ProcessResponse resource. |
| QuestionnaireResponse | QuestionnaireResponse | A structured set of questions and their answers. |
| RiskAssessment | RiskAssessment | Potential outcomes for a subject with likelihood. |
| SupplyDelivery | SupplyDelivery | Delivery of bulk Supplies. |
| Task | Task | A task to be performed. |