YOUR APPLICATIONS
Victor CHAI
HL7 Singapore
Set the context …
• Do we copy and paste the external content into our site page, or
we simply use URL link to reference t...
What is FHIR
• FHIR® – Fast Health Interoperable Resources
(hl7.org/fhir) – is a next generation standards
framework creat...
FHIR Overview
• “Resource “ is unit of transactional data such
as patient or encounter data that is stored or
exchanged
• ...
HL7 FHIR - A network of
resources
Encounter
(Resource)
Patient
(Reference)
Hospitalization
Practitioner
(Reference)
Locati...
Encounter Resource Definition
HL7 FHIR wire format
• Supports both XML and JSON
• A Human-readable wire format for ease of use by developers
• Out of bo...
How easy it is to implement
FHIR
How is FHIR different from
HL7v2 and HL7 CDA
• Combines best features of HL7v2 and HL7CDA
– Simple to implement, easy to e...
HL7 FHIR RESTful API
API Services - Search
Search Parameters
Search parameters for Encounter resource
HTTP Response Status Code
Resource Profile – Data Element
and Code Set definition
Resource Profile – Search
parameters
FHIR standardises and simplifies
application design
• Use HL7 FHIR as straight-
through resource API and
internal object m...
FHIR in Action
Setting up hl7-fhir project
Summary
• If you are keen, download the following
FHIR open source project
– http://sourceforge.net/projects/hl7-fhir/
– I...
THANK YOU
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Fhir your applications

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Use HL7 FHIR to modernize your applications

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Fhir your applications

  1. 1. YOUR APPLICATIONS Victor CHAI HL7 Singapore
  2. 2. Set the context … • Do we copy and paste the external content into our site page, or we simply use URL link to reference the external content when we build a web site? • What’re the benefits? – Prevent information proliferation, and avoid obsolete information – There is no need to fetch all at one go, the requester can ‘follow’ the path to navigate to the needed information, reduce the network traffic and payload size – Each app can focus on managing its own information, and relies on reference to build up network of information
  3. 3. What is FHIR • FHIR® – Fast Health Interoperable Resources (hl7.org/fhir) – is a next generation standards framework created by HL7 • FHIR solutions are built from a set of modular components called “Resources”
  4. 4. FHIR Overview • “Resource “ is unit of transactional data such as patient or encounter data that is stored or exchanged • Easily accessible – http://server.org/resources/Patient/AA1234567 endpoint resource type Logical ID
  5. 5. HL7 FHIR - A network of resources Encounter (Resource) Patient (Reference) Hospitalization Practitioner (Reference) Location (Reference) Location (Reference) Participant Location
  6. 6. Encounter Resource Definition
  7. 7. HL7 FHIR wire format • Supports both XML and JSON • A Human-readable wire format for ease of use by developers • Out of box extension support
  8. 8. How easy it is to implement FHIR
  9. 9. How is FHIR different from HL7v2 and HL7 CDA • Combines best features of HL7v2 and HL7CDA – Simple to implement, easy to extend • Defines application services syntax – Besides payload, it also defines API for search/create/update/delete/read resources • Use “Profile” to create and manage data dictionary and Conformance toolkit – After you have implemented FHIR, you also achieved the objective of creating data dictionary – “Profile” resource is also used for runtime structure and value set validation as part of the conformance toolkit
  10. 10. HL7 FHIR RESTful API
  11. 11. API Services - Search
  12. 12. Search Parameters Search parameters for Encounter resource
  13. 13. HTTP Response Status Code
  14. 14. Resource Profile – Data Element and Code Set definition
  15. 15. Resource Profile – Search parameters
  16. 16. FHIR standardises and simplifies application design • Use HL7 FHIR as straight- through resource API and internal object model • There is no intermediate transformation
  17. 17. FHIR in Action
  18. 18. Setting up hl7-fhir project
  19. 19. Summary • If you are keen, download the following FHIR open source project – http://sourceforge.net/projects/hl7-fhir/ – I am recruiting volunteer • Learn from standards, adopt and adapt instead of re-invent – http://www.hl7.org/fhir
  20. 20. THANK YOU
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