What is FHIR? Know about Smart on FHIR


As communication is an essence between patient and doctor, or between medical professionals, most of the time it is found that there exist a barrier in communication. To overcome that barrier FHIR comes in place.

In this article we will discuss about FHIR in detail.

What is FHIR?

FHIR is a draft standard describing data formats and elements for exchanging Electronic Health Records. It is developed by HL7 (Health Level Seven) organization, a non- profit organization certified by American National Standards Institute. The system created a number of standards to structure the exchange of secured health information among healthcare specialists.  Diagnostic data, clinical health data, and any administrative information form a part of it. It blends the prime feature of HL7 V2, HL7 V3 and CDA.

FHIR objective is to cut down complexity of operation without sacrificing integrity of information.  It was originally begin as a trial project, but when it is spotted by various EHR vendors, it hurriedly spread.

Why FHIR in Healthcare is required?

  1. It provides a platform for RESTful architecture, which allows uninterrupted exchange of data using documents and messages.
  2. It allows free use of specification without any restriction.
  3. It uses XML or JSON as data communication format.
  4. Its focal point is on active and straight implementation of FHIR interface.
  5. It provides open source FHIR server that anyone can use.
  6. One of the main uses of FHIR is that it allows healthcare providers to launch application right from their EHR software.
  7. Through FHIR interoperability, it’s easier to transfer only necessary piece of information.
Read Also: Breakthrough Of Healthcare Software Development

How FHIR works?


FHIR is built around the concept of FHIR resources which are FHIR interoperability units and components that can be placed into working system to resolve administrative, clinical and infrastructural complication in healthcare. It provides resources for software development. The FHIR specification is classified into three parts: general documentation, implementation and resource list


One of the most probable questions comes in mind of the reader after learning about what is FHIR? Is what is SMART on FHIR?

Well here we will learn about it.

Read Also: The Complete Guide Of Telemedicine

SMART stands for “Substitutable Medical Applications, Reusable Technologies”. SMART on FHIR is developed by Boston Children’s Hospital in 2010 and Harvard Medical School Department of Biomedical informatics, and is immensely supported by healthcare industry.


The foremost purpose of SMART is to build in interchangeable healthcare applications, which will help any developer to create a healthcare application that can work at any healthcare organization. A great focus is placed on “substitutable” aspect of SMART, which will provide ease to healthcare experts to try new applications, which will help them in selecting the best solution for them.

FHIR and SMART only provide guidelines on the implementation of certain technology, while HL7 creates the specification and how they want to implement it depends totally on EHR vendors.

How SMART in FHIR App is made?

The process of implementation follows a series of steps:

  • Firstly, the specification is framed.
  • Different EHR vendors implement the standard and specifications differently.
  • EHR vendors install, update and configure their system in order to incorporate the standards.
  • Lastly, applications are built on top of the health system’s specifications.
Read Also: How Home Health Care Software Became A Big Picture?

FHIR v/s OTHER STANDARDS             

FHIR offers certain advancement over existing standards:

  • Expandable: FHIR solves expandable challenges under RESTful context. All systems can easily read these extensions no matter how they are developed.
  • Supports modern web standards: Technologies like XML, JSOL, HTTP, and Atom are supported by FHIR which are less supported by existing standards.
  • Excellent documentation: Using API approach which helps in good documentation of data. An API approach is nice to have and that is something we Dreamsoft4u tries to provide.
  • An open source: Being an open source it makes healthcare integration more accessible and transparent. Making it open it has made community of enterprises, vendors and developers.


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