Questions tagged [hl7-fhir]

Fast Healthcare Interoperability Resources (FHIR) is a standard for health care data exchange, published by HL7®.

FHIR is an interoperability standard intended to facilitate the exchange of healthcare information between organizations. It consists of 2 main parts – a content model in the form of ‘resources’, and a specification for the exchange of these resources in the form of real-time RESTful interfaces as well as messaging and Documents.

It's published by HL7 (Health Level Seven International).

Documentation is available on HL7 website: http://hl7.org/fhir/documentation.html

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Slicing of data elements in FHIR ressources

Slicing is a nice idea for defining complex or composite data elements used by several FHIR ressources. "Within a structure definition, a slice is defined using multiple element entries that share a path but have distinct names. These entries…
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FHIR merge patients

Is there a specified or recommended way of merging two (or more) patients in FHIR? Using the REST style merge could be implemented by posting an update to the Patient resource changing the Patient.link element, but this doesn't seem very explicit…
Jonny Rylands
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How to add an encounter reference to an observation resource?

When I try to update an observation resource with an encounter reference to link the observation to a specific encounter using CRUD, it fails with the following error: "Object with id: null was not of the specified subclass:…
Teksysta
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How can I content-encrypt FHIR/REST

We have a requirement to transfer documents (HL7/FHIR and others) over HTTP (REST), but where the network architecture involves multiple hops through proxies that unpack and repack the TLS. So the TLS-encryption doesn't help us much, since we break…
Larsie
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When to use an inline codeSystem in a FHIR ValueSet

When creating a FHIR ValueSet using ALL codes of a small externally defined code list, which would be more appropriate (and indeed correct per the FHIR specification) - a composition or an inline codeSystem? As an example, creating a ValueSet from…
Jonny Rylands
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"not done yet" Exception when running FHIR Validator

I downloaded the Jar File for the FHIR Validator. Then I ran the Validator as per the instructions on the HL7 Website. I ran the following command from cmd: java -jar org.hl7.fhir.validator.jar Composition.xml -defn validation-min.xml.zip I…
Enigma
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Why can't I search DocumentReferences for a particular subject using Spark server for FHIR DSTU-2 1.0.1?

I have a Patient resource at this url: http://localhost:49911/fhir/Patient/PHFId1 and DocumentReference resource with the following element: I want to be able to…
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FHIR: Using HEAD for found/not found searches

Is there a way to quickly determine if a search matches anything? Something like a HEAD request - don't send a body, just send a "total" or the like. A search with total=0 isn't a 404...or should it be?
Chris Grenz
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FHIR Element Definition max/min

What does max/min mean on the root element of a resource or extension? ...snip... The cardinality allowed in a containing structure like Bundle? Doesn't make…
Chris Grenz
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Can a FHIR extension be defined within the StructureDefinition of a profiled resource?

Does a FHIR extension always have to be defined in its own StructureDefinition before it can be used in a resource profile? Or can its definition exist solely within the StructureDefinition of a profiled resource? E.g.
Jonny Rylands
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FHIR: Treating identifier.value as an integer for matching

Is there any way to instruct the server to use integer matching when searching an identifier (ignore leading zeros)?
Chris Grenz
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Can a FHIR profile StructureDefinition be based on another profile StructureDefinition?

Can a StructureDefinition created as part of a FHIR profile be based on another StructureDefinition also created as part of a profile? E.g. The DAF-Patient StructureDefinition is part of the DAF FHIR profile and is not part of the core FHIR…
Jonny Rylands
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How to map SOPClass,Accession,MPPS,NumberOfInstances, ParticipantObjectContainsStudy into Fhir AuditEVent

As per this link https://www.hl7.org/FHIR/2015Sep/auditevent.html, audit event is based on the IHE-ATNA Audit record definitions, originally from RFC 3881, and now managed by DICOM (see DICOM Part 15 Annex A5 ). DICOM Part 15 Annex A5 has few DICOM…
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FHIR: Using a relative date in Search or Subscription Criteria

Is it possible to use a relative date or calculated value in either a search request or a subscription criteria? This is especially necessary in subscription criteria, as the criteria value is saved in a resource. I would like to be able to provide…
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HL7-Fhir : are search query parameters case-sensitive or always lowercase?

Question 1]When checking the reference implementation example at : http://fhirtest.uhn.ca I see that the search for http://fhirtest.uhn.ca/baseDstu2/Patient?namE=Meier returns and error message like: { "resourceType":"OperationOutcome", …
Stef Heyenrath
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