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FHIR Infrastructure Work GroupMaturity Level: N/ABallot Status: Informative
Specification Downloads
FHIR Definitions All the value sets, profiles, etc defined as part of the FHIR specification, and the included implementation guides: These is the master set of definitions that should be the first choice whenever generating any implementation artifacts. All the other forms below include only subsets of the information available in these definition files, and do not contain all of the rules about what makes resources valid. Implementers will still need to be familiar with the content of the specification and with any profiles that apply to the resources in order to make a conformant implementation.

XML

JSON
  • Examples - all the example resources in JSON format
  • JSON Schemas (includes both modular and combined schema)

RDF

FHIR Specification The whole specification so that you can host your own local copy (does not include the downloads)
Implementation Tools
Validator The official FHIR validator - a Java jar file that can be used to validate resources. See Validation Tools for further information
IG Publisher The Implementation Guide Publishing Tool (see IG Publishing documentation )
IG Pack The Definitions File used by the IG Publisher. This is a zip file that contains all the conformance & example resources, a version marker, and a json file that lists all the pages and URLs in the specification itself. This file can also be used by the validator
Translation File Translations of common FHIR names and messages into multiple languages (see wiki for instructions on how to add to this)
Icon Pack The FHIR Icon at various resolutions. Any FHIR Implementation created by an organization that has attended a connectathon is allowed to use the FHIR icon in association with the application (this policy will be reviewed in the future).
Test Cases A Collection of Test Cases. These are XML or JSON files that provide test cases for the various FHIR reference implementations to ensure correct functioning
Reference Implementations
There are many open source reference implementations available to help implementers. Here are a list of the more common implementations used by implementers:
Java HAPI-FHIR : Object Models, Parsers, Client + Server Framework, FHIR Validator, & Utilities. The specification is built with this Java code
C# HL7.FHIR : Object models, Parsers/Serialisers, Utilities, and a Client. Source code on GitHub at http://github.com/ewoutkramer/fhir-net-api
Pascal FhirServer : Object models, Parsers/Serialisers, Validator, Utilities, Client, and the FHIR Reference server. Requires Delphi (unicode versions)
XML XML Tools: Document Rendering Stylesheet, supplementary implementation schemas and transforms
Javascript FHIR.js : Javascript Client and Utilities
Swift Swift-FHIR : Object Model, Client and Utilities

Note: These reference implementations are provided for implementer interest and assistance. While they may be used (and are) in production systems, HL7 and their various contributors accept no liability for their use. Note that these reference implementations are provided to assist to implementers to adopt the specification, and some are maintained by the FHIR project team, but are not part of the specification, and implementations are not required to conform to these, nor are they subject to the formal standards process.


Full blown open source implementations for FHIR, some of which use these reference implementations, are listed on the HL7 wiki .

It is not necessary to use these particular implementations in order to be conformant. Any other approach may be used, including code generated from the schemas.