Fast Healthcare Interoperability Resources (FHIR): HL7 FHIR R4 is a next generation standards framework created by HL7. FHIR combines the best features of HL7’s v2 , HL7 v3 and CDA product lines while leveraging the latest web standards: XML, JSON, HTTP, OAuth, etc., Support for RESTful architectures, seamless exchange of information using messages or documents, and service-based architectures and
applying a tight focus on implementability. Fast Healthcare Interoperability Resources (FHIR) solutions are built from a set of modular components called “Resources”. These resources can easily be assembled into working systems that solve real world clinical and administrative problems at a fraction of the price of existing alternatives. Fast Healthcare Interoperability Resources (FHIR) is suitable for use in a wide variety of contexts mobile phone apps, cloud communications, EHR-based data sharing, server communication in large institutional healthcare providers, and much more. Fast Healthcare Interoperability Resources (FHIR) offers many improvements over existing standards.