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FHIR

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Fast Healthcare Interoperability Resources (FHIR)
AbbreviationFHIR
OrganizationHL7
Base standardsJSON, XML, RDF
DomainElectronic health records
LicenseCC0
Websitehl7.org/fhir/

Fast Healthcare Interoperability Resources (FHIR, pronounced "fire") is a standard describing the data formats (known as "resources") and an application programming interface (API) for exchanging electronic health records (EHR) data. The standard was created by the Health Level Seven International (HL7) healthcare standards organization.

FHIR builds on previous data format standards from HL7, like HL7 version 2.x and HL7 version 3.x. But it is easier to implement because it uses a modern web-based suite of API technology, including a HTTP-based RESTful protocol, and a choice of JSON, XML or RDF for data representation.[1] Resource definitions exist for all basic elements of healthcare like patients, admissions, diagnostic reports and medications, which can each be retrieved and manipulated via their own resource URLs.

One of its goals is to facilitate interoperability between legacy health care systems, to make it easy to provide health care information to health care providers and individuals on a wide variety of devices from computers to tablets to cell phones, and to allow third-party application developers to provide medical applications which can be easily integrated into existing systems. [2]

Standardization

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The initial draft of FHIR, then known as Resources For Healthcare (RFH), was published by Grahame Grieve on his blog[3] in August 2011.[4] The standard was adopted by Health Level Seven International (HL7) as a work item in September 2011.[4] A core team, consisting of Grieve, Lloyd Mckenzie and Ewout Kramer, supported by HL7 members, started the process of developing the initial FHIR release [citation needed]. From September 2012 onwards HL7 has been organizing tri-annual test events which have the intent to drive the standardization process forward and to test those parts of the standard that have a not been finalized yet [citation needed].

In February 2014, HL7 published FHIR Release 1 as a "Draft Standard for Trial Use" (DSTU).[5] FHIR Release 2 was published in October 2015, and FHIR Release 3 in March 2017, as the first "Standards for Trial Use" (STU) release. It included coverage of a variety of clinical workflows, a Resource Description Framework format, and a variety of other updates.[6][7] FHIR Release 4, the first "normative version" was published on October 30, 2019.[7]

Architecture

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FHIR is organized by resources (e.g., patient, observation).[8]

 
Depiction of a set of interrelated healthcare data elements (FHIR resources).
{
    "resourceType": "Patient",
    "id": "3736",
    "text": { "status": "generated", "div": "<div xmlns=\"http://www.w3.org/1999/xhtml\">\n <p> Peter J. Chalmers</p> \n <p> MRN: 283471838. Male, 25 Dec. 1974</p> \n </div>" },
    "identifier": [ { "use": "usual", "system": "http://www.goodhealth.org/identifiers/mrn", "value": "283471838" } ],
    "active": true,
    "name": [ { "use": "official", "family": "Chalmers", "given": [ "Peter", "James" ] }, ],
    "gender": "male",
    "birthDate": "1974-12-25"
}

Such resources can be specified further by defining FHIR profiles (for example, binding to a specific terminology). 

{
  "resourceType" : "Observation",
  "id": "9082",
  "text" : { "status" : "generated", "div" : "<div xmlns=\"http://www.w3.org/1999/xhtml\">\n <p>Observation: Body weight, 85 Kg</p>\n </div>" },
  "status" : "final",
  "code" : { "coding" : [ { "system" : "http://loinc.org", "code" : "29463-7", "display" : "Body weight" } ], "text" : "Body weigth" },
  "subject" : { "reference" : "Patient/3736" },
  "effectiveDateTime" : "2016-06-14",
  "valueQuantity" : { "value" : 85, "unit" : "Kg", "system" : "http://unitsofmeasure.org", "code" : "kg" }
}

A collection of profiles can be published as an implementation guide (IG), such as The U.S. Core Data for Interoperability (USCDI).[9]

Because FHIR is implemented on top of the HTTPS (HTTP Secure) protocol, FHIR resources can be retrieved and parsed by analytics platforms for real-time data gathering. In this concept, healthcare organizations would be able to gather real-time data from specified resource models. FHIR resources can be streamed to a data store where they can be correlated with other informatics data. Potential use cases include epidemic tracking, prescription drug fraud, adverse drug interaction warnings, and the reduction of emergency room wait times.[10]

Implementations

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Global (non country specific)

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A number of high-profile players in the health care informatics field are showing interest in and experimenting with FHIR, including CommonWell Health Alliance and SMART (Substitutable Medical Applications, Reusable Technologies).[11]

Open source implementations of FHIR data structures, servers, clients and tools include reference implementations from HL7 in a variety of languages, SMART on FHIR[12] and HAPI-FHIR in Java.[13]

A variety of applications were demonstrated at the FHIR Applications Roundtable in July 2016.[14] The Sync for Science (S4S) profile builds on FHIR to help medical research studies ask for (and if approved by the patient, receive) patient-level electronic health record data.[15]

In January, 2018, Apple announced that its iPhone Health App would allow viewing a user's FHIR-compliant medical records when providers choose to make them available. Johns Hopkins Medicine, Cedars-Sinai, Penn Medicine, NYU-Langone Medical Center, Dignity Health and other large hospital systems participated at launch.[16]

Also in 2018, Google started using FHIR as the basis for its machine learning applications. [17]

United States

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In 2014, the U.S. Health IT Policy and the Health IT Standards committees endorsed recommendations for more public (open) APIs. The U.S. JASON task force report on "A Robust Health Data Infrastructure" says that FHIR is currently the best candidate API approach, and that such APIs should be part of stage 3 of the "meaningful use" criteria of the U.S. Health Information Technology for Economic and Clinical Health Act.[18][19][20][21] In December 2014, a broad cross-section of US stakeholders committed to the Argonaut Project[22] which will provide acceleration funding and political will to publish FHIR implementation guides and profiles for query/response interoperability and document retrieval by May 2015.[23] It would then be possible for medical records systems to migrate from the current practice of exchanging complex Clinical Document Architecture (CDA) documents, and instead exchange sets of simpler, more modular and interoperable FHIR JSON objects.[24] The initial goal was to specify two FHIR profiles that are relevant to the Meaningful Use requirements, along with an implementation guide for using OAuth 2.0 for authentication. [25]

A collaboration agreement with Healthcare Services Platform Consortium (now called Logica) was announced in 2017.[26] Experiences with developing medical applications using FHIR to link to existing electronic health record systems clarified some of the benefits and challenges of the approach, and with getting clinicians to use them.[27]

The Da Vinci Project[28], a private-public initiative, was initiated in 2018, to tackle value-based care in which payers and providers are working toward the adoption of HL7 FHIR to connect stakeholders. They are developing FHIR specifications to support some of the most expensive fault lines in the healthcare system: gaps in care and information, identification of emerging member risk, and patient transitions between levels of care, especially in emergencies. [29]

In 2020, the U.S. Centers for Medicare & Medicaid Services (CMS) issued their Interoperability and Patient Access final rule, (based on the 21st Century Cures Act) requiring use of FHIR by a variety of CMS-regulated payers, including Medicare Advantage, organizations, state Medicaid programs, and qualified health plans in the Federally Facilitated Marketplace by 2021.[30]

Brazil

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In 2020, the Brazilian Ministry of Health, by the IT Department of the SUS, started one of the world's largest platforms for national health interoperability, called the National Health Data Network, which uses HL7 FHIR r4 as a standard in all its information exchanges.[31]

References

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  1. ^ "Welcome to FHIR". HL7.org. 2019-11-01. Retrieved 2021-02-12.
  2. ^ "FHIR Overview". HL7.org. 2019-11-01. Retrieved 2021-02-14.
  3. ^ Grahame Grieve (2011-08-18). "Resources For Health: A Fresh Look Proposal". Health Intersections. Retrieved 2019-08-22.
  4. ^ a b René Spronk (2016-08-11). "Five years of FHIR". Ringholm. Retrieved 2019-08-22.
  5. ^ "HL7 Fast Healthcare Interoperability Resources Specification 'FHIR™', Release 1". HL7 International. 2014-02-02. Archived from the original on 2014-12-28. Retrieved 2014-12-26.
  6. ^ "HL7 publishes a new version of its FHIR specification". Healthcare IT News. 2017-03-22. Retrieved 2017-03-30.
  7. ^ a b http://hl7.org/fhir. "All Published Versions of FHIR". hl7.org. Retrieved 2017-03-30. {{cite web}}: External link in |last= (help)CS1 maint: numeric names: authors list (link)
  8. ^ "Fast Healthcare Interoperability Resources® (FHIR)". eCQI Resource Center.
  9. ^ "Draft U.S. Core Data for Interoperability (USCDI) and Proposed Expansion Process" (PDF). USA HHS. Retrieved 27 November 2019.
  10. ^ "What is FHIR? And what does it mean for Healthcare IT Monitoring?". 2015-08-28. Retrieved 2015-08-28.
  11. ^ Dan Munro (2014-03-30). "Setting Healthcare Interop On Fire". Forbes. Retrieved 2014-11-22.
  12. ^ "Geisinger moves to mobilize its EHR platform". mHealthNews. 2014-11-11. Retrieved 2014-12-06.
  13. ^ "Open Source FHIR implementations - HL7Wiki". Archived from the original on 2014-12-20. Retrieved 2014-12-06.
  14. ^ "Mix of Applications at Showcase to Demonstrate FHIR's Potential | David Raths | Healthcare Blogs". www.healthcare-informatics.com. Retrieved 2016-09-13.
  15. ^ "Precision medicine: Analytics, data science and EHRs in the new age". 2016-08-15. Retrieved 2016-09-13.
  16. ^ "Apple announces solution bringing health records to iPhone". Apple Newsroom. Retrieved 2018-08-09.
  17. ^ "Making Healthcare Data Work Better with Machine Learning". Google AI. 2018-03-02. Retrieved 2021-02-15.
  18. ^ "EHR interoperability solution offered by key IT panels". Modern Healthcare. 2014-10-16. Retrieved 2014-11-08.
  19. ^ "Proposed interoperability overhaul finds boosters, doubters". Modern Healthcare. 2014-10-21. Retrieved 2014-11-08.
  20. ^ "Federal HIT Committees OK Public API Recommendations to ONC". Healthcare Informatics. 2014-10-15. Retrieved 2014-11-08.
  21. ^ "Teams Make their Pitch for Defense EHR Contract". Health Data Management. 2014-11-07. Retrieved 2014-11-08.
  22. ^ "HL7 Launches Joint Argonaut Project to Advance FHIR" (PDF). HL7 International. 2014-12-04. Archived from the original (PDF) on 2014-12-28. Retrieved 2014-12-26.
  23. ^ "Kindling FHIR". Healthcare IT News. 2014-12-04. Retrieved 2014-12-06.
  24. ^ "Can Argonaut Project Make Exchanging Health Data Easier?". InformationWeek. 2015-01-26. Retrieved 2015-02-28.
  25. ^ "Halamka: Expect Argonaut Deliverables by May". healthcare-informatics.com. 2015-02-19. Retrieved 2015-02-28.
  26. ^ "HL7 Teams with Healthcare Services Platform Consortium on FHIR Development | Healthcare Informatics Magazine | Health IT | Information Technology". www.healthcare-informatics.com. Retrieved 2017-03-30.
  27. ^ "Top Ten Tech Trends 2017: Slow FHIR: Will a Much-Hyped Standard Turbo-Charge Interoperability—Or Maybe Not Quite? | Healthcare Informatics Magazine | Health IT | Information Technology". www.healthcare-informatics.com. Retrieved 2017-03-30.
  28. ^ "DaVinci Project". HL7 International. Retrieved 2021-02-15.
  29. ^ "FHIR Fever Is Catching On In Healthcare". Forbes. 2021-03-02. Retrieved 2021-02-15.
  30. ^ "CMS Interoperability and Patient Access final rule | CMS". www.cms.gov. Retrieved 2020-09-22.
  31. ^ "RNDS – Ministério da Saúde" (in Brazilian Portuguese). Retrieved 2020-11-10.
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Category:Standards for electronic health records Category:Industry-specific XML-based standards Category:JSON

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