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FHIR IG

Reference Implementation & Supporting Documents

Testing and Validation Tools

Ballot Information

Related IGs

Implementation GuideDescription and Intended Use (Note that many extensions are defined within these IGs)

FHIR US Core

http://hl7.org/fhir/us/core/2019Sep/

Version (3.1.0) - FHIR R4

The US Core Implementation Guide is based on FHIR Version R4 and defines the minimum conformance requirements for accessing patient data. The Argonaut pilot implementations, ONC 2015 Edition Common Clinical Data Set (CCDS), and the latest proposed ONC U.S. Core Data for Interoperability (USCDI) provided the requirements for this guide. The prior Argonaut search and vocabulary requirements, based on FHIR DSTU2, are updated in this guide to support FHIR Version R4. These profiles are the foundation for future US Realm FHIR implementation guides. In addition to Argonaut, they are used by DAF-Research, QI-Core, and CIMI. Under the guidance of HL7 and the HL7 US Realm Steering Committee, the content will expand in future versions to meet the needs specific to the US Realm.

These requirements were originally developed, balloted, and published in FHIR DSTU2 as part of the Office of the National Coordinator for Health Information Technology (ONC) sponsored Data Access Framework (DAF) project. For more information on how DAF became US Core see the US Core change notes.

Structured Data Capture (SDC)

http://build.fhir.org/ig/HL7/sdc/

Version  for FHIR R4

Questionnaires and forms permeate healthcare. They are used to capture administrative data, claims data, clinical information, research information, for public health reporting - every type of data that is manipulated by healthcare systems. They provide a user-friendly mechanism for capturing data in a consistent way. In FHIR, forms are represented using the Questionnaire resource and completed forms are represented using the QuestionnaireResponse resource. The base FHIR specification defines these resources but doesn't provide much guidance around how they should be used, nor does it set minimal expectations for interoperation. This implementation guide provides a set of guidance around the use of Questionnaire and QuestionnaireResponse. Specifically, it provides answers to - and conformance expectations around - questions such as:

  • What are the minimum capabilities a system should have to properly support FHIR-based forms?
  • How do I present questions in a table?
  • I want help text to appear in red - how do I do that?
  • What's the mechanism to calculate and display a score for a completed form?
  • I don't want to expose the logic of the questionnaire to other systems, but I still want to support form completion. How do I do that using FHIR?
  • Some of the data in this form already exists in the patient's record. How can I save the time (and prevent the transcription errors) associated with re-entering it into a form?
  • Once a form's complete, I want to import the data into other FHIR resources - is there an easy way to do that?

The implementation guide is structured to allow implementers to pick and choose the capabilities they need and combine them as necessary.

FHIR SDC SMART App

https://lhcforms.nlm.nih.gov/sdc

For FHIR R4

FHIR SDC SMART App

This open-source app uses the LHC-Forms form rendering widget to manage FHIR Questionnaire and QuestionnaireResponse resources. It provides partial (and growing) support for the Structured Data Capture (SDC) profile. The app is designed to be launched from an EHR system using SMART on FHIR to connect to the EHR's FHIR server. When you select "Try App" below, you will first go to a patient selector, and then to the app, the idea being that in an EHR environment, the patient would already be chosen before the app is used to fill out a form for the patient.

The app supports both STU3 and R4 versions of FHIR; the "Try App" button will connect you to an R4 FHIR server.

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