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HL7 | Name | Type | M/O | Description and constraints | HL7 vs eHealth comparison result | Status |
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| identifier : { Identifier } // Identifiers assigned to this order instance by the orderer and/or the receiver and/or order fulfiller | id | uuid | M | Ok | Approved | |
| instantiates : { uri } //Protocol or definition followed by this request. | - | No Implementation | Approved | |||
| basedOn : [{ Reference(CarePlan | ServiceRequest | MedicationRequest) }] //Plan/proposal/order fulfilled by this request. | - | No Implementation | Approved | |||
| replaces : [{ Reference(ServiceRequest ) }] //The request takes the place of the referenced completed or terminated request(s). | - | No Implementation | Approved | |||
requisition : { Identifier } //A shared identifier common to all service requests that were authorized more or less simultaneously by a single author, representing the composite or group identifier. Requests that are part of the same requisition are generally treated independently from the perspective of changing their state or maintaining them after initial creation. | requisition | string | М | Should be unique human readable number. See Human readable Service request requisition number | Ok | Approved |
| status : { code } //draft | active | suspended | completed | entered-in-error | cancelled RequestStatus (Required) The status of the order. | status | string | M | Active, Enterred In Error, Cancelled | Ok | Approved |
| status_reason | codeable_concept | O | Ok | Approved | ||
| explanatory_letter | string | O | Ok | Approved | ||
| - | status_history | [ status_history ] | O | Ok | Approved | |
| intent : { code } //proposal | plan | order + RequestIntent (Required) Whether the request is a proposal, plan, an original order or a reflex order. | intent | string | M | e-Health: by default Order | Ok | Approved |
| priority : { code } //routine | urgent | asap | stat RequestPriority (Required)Indicates how quickly the ServiceRequest should be addressed with respect to other requests. | priority | string | M | e-Health: by default Routine | Ok | Approved |
| doNotPerform : { boolean } // Set this to true if the record is saying that the service/procedure should NOT be performed. | - | No Implementation | Approved | |||
| category : { CodeableConcept } //Classification of service Service Request Category Codes (Example) A code that classifies the service for searching, sorting and display purposes (e.g. "Surgical Procedure"). | category | codeable_concept | M | Ok | Approved | |
| code : { CodeableConcept } // What is being requested/ordered Procedure Codes (SNOMED CT) (Example) A code that identifies a particular service (i.e., procedure, diagnostic investigation, or panel of investigations) that have been requested. | code | codeable_concept | M | e-Health: first release may not contain values in the dictionary | Ok | Approved |
| orderDetail : { CodeableConcept } // Additional order information Service Request Order Details Codes (Example). Additional details and instructions about the how the services are to be delivered. For example, and order for a urinary catheter may have a order detail for an external or indwelling catheter, or an order for a bandage may require additional instructions specifying how the bandage should be applied. | - | e-Health: no implementation because of no process at the moment | No Implementation | Approved | ||
| subject : { Reference(Patient | Group| Location | Device) } // Individual the service is ordered for. On whom or what the service is to be performed. This is usually a human patient, but can also be requested on animals, groups of humans or animals, devices such as dialysis machines, or even locations (typically for environmental scans). | subject | uuid | M | Ok | Approved | |
| context : { Reference(Encounter | EpisodeOfCare) } // Encounter or Episode during which request was created. | context | Reference (Encounter) | M | Ok | Approved | |
| occurrence[x] : { } //When service should occur | occurrence | occurrence | O | No Implementation | Approved | |
| occurrenceDateTime : { dateTime } | occurrence_date_time | date_time | O | covered by occurrence | Ok | Approved |
| occurrencePeriod : { Period } | occurrence_period | period | O | covered by occurrence | Ok | Approved |
| occurrenceTiming : { Timing } | No Implementation | Approved | ||||
| asNeeded[x] : { } // Preconditions for service SNOMED CT Medication As Needed Reason Codes (Example) If a CodeableConcept is present, it indicates the pre-condition for performing the service. For example "pain", "on flare-up", etc | No Implementation | Approved | ||||
| asNeededBoolean : { boolean } | ||||||
| asNeededCodeableConcept : { CodeableConcept } | ||||||
| authoredOn : { dateTime } Date request signed. | authored_on | date_time | M | Ok | Approved | |
| requester : { Reference(Practitioner | PractitionerRole | Organization | Patient | RelatedPerson | Device) } // The individual who initiated the request and has responsibility for its activation | requester_employee | Reference(Employee) | M | Ok | Approved | |
| requester_legal_entity | Reference(Legal_entity) | M | ||||
| performerType : { CodeableConcept } // Performer role Participant Roles (Example) Desired type of performer for doing the requested service. | performer_type | codeable_concept | O | specialization to which the patient is referred (only for referrals for hospitalization it is mandatory, for others it cannot be indicated) | Ok | New |
| performer : { Reference(Practitioner | PractitionerRole | Organization | Patient | Device | RelatedPerson | HealthcareService | CareTeam) } // Requested perfomer. The desired perfomer for doing the requested service. For example, the surgeon, dermatopathologist, endoscopist, etc | performer | reference to the organization where the patient is sent (only for transfer it is mandatory, for others it cannot be indicated) More information in: https://www.hl7.org/fhir/servicerequest.html | Ok | New | ||
| location_reference | a link to the separated patient to whom the patient is referred (only for transfer it is optional, for others it cannot be indicated) More information in: | Ok | New | |||
| reasonCode : [{ CodeableConcept }]// Procedure Reason Codes (Example). An explanation or justification for why this service is being requested in coded or textual form. This is often for billing purposes. May relate to the resources referred to in supportingInformation | reason  | No Implementation | Approved | |||
| reasonReference : [{ Reference(Condition | Observation | DiagnosticReport | DocumentReference) }] // Indicates another resource that provides a justification for why this service is being requested. May relate to the resources referred to in supportingInformation | reason_references | [Reference(Condition | Observation)] | O | e-Health: references only to Conditions and Observations. Corresponds to Findings field in the form of referral which is currently used. | Ok | Approved |
| insurance : { Reference(Coverage | ClaimResponse) } // Insurance plans, coverage extensions, pre-authorizations and/or pre-determinations that may be needed for delivering the requested service | - | No Implementation | Approved | |||
| supportingInfo : [{ Reference(Any) }] // Additional clinical information about the patient or specimen that may influence the services or their interpretations. This information includes diagnosis, clinical findings and other observations. In laboratory ordering these are typically referred to as "ask at order entry questions (AOEs)". This includes observations explicitly requested by the producer (filler) to provide context or supporting information needed to complete the order. For example, reporting the amount of inspired oxygen for blood gas measurements. | supporting_info | [Reference(Episode of Care | Condition | Observation | Allergy Intolerance | Immunization)] | O | e-Health: references to Episode of Care, Condition, Observation, Allergy Intolerance, Immunization Corresponds to Treatments given, Clinical History, Documents accompanying referral fields in the form of referral which is currently used. | Ok | Approved |
| specimen : [{ Reference(Specimen) }] // One or more specimens that the laboratory procedure will use | - | No Implementation | Approved | |||
| bodySite : [{ CodeableConcept }] // Location on Body SNOMED CT Body Structures (Example) (Anatomic location where the procedure should be performed. This is the target site) | No dictionary at the moment | No Implementation | Approved | |||
| note : [{ Annotation }] // Comments | note | string | O | Ok | Approved | |
| patientInstruction : { string } // Patient or consumer oriented instructions | patient_instruction | string | O | Ok | Approved | |
| relevantHistory : [{ Reference(Provenance) }] // Key events in the history of the reques | - | No Implementation | Approved | |||
| - | permitted_resources | [Reference(EpisodeOfCare)|Reference(Diagnostic Report] | O | e-Health: used for giving access rights to view listed episodes to the future performer of the request | Ok | Approved/Renamed |
| - | used_by_employee | Reference(Employee) | O | e-Health: represents employee assigned to this referral | ||
| - | program | Reference(Program) | O | New | ||
| - | used_by_legal_entity | Reference(Legal_enity) | M | New | ||
| - | expiration_date | string | M | format: datetime | New | |
| - | program_processing_status | string | O | new, in queue, in progress, completed | New |
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