This page is part of the SDOH Clinical Care for Multiple Domains (v2.2.0: STU 2.2) based on FHIR (HL7® FHIR® Standard) R4. This is the current published version in its permanent home (it will always be available at this URL). For a full list of available versions, see the Directory of published versions

Technical Background

Underlying Technologies

This guide is based on the HL7 FHIR standard. Therefore, implementers of this specification need to understand some basic information about the FHIR specification.

This Implementation Guide uses terminology, notations and design principles that are specific to FHIR. Before reading this IG, it’s important to be familiar with some of the basic principles of FHIR as well as general guidance on how to read FHIR specifications. Readers who are unfamiliar with FHIR are encouraged to read (or at least skim) the following prior to reading the rest of this IG.

• FHIR overview
• Developer's introduction (or Clinical introduction)
• FHIR data types
• Using codes
• References between resources
• How to read resource & profile definitions
• RESTful API
• Search
• Base resource definitions
• Condition
• Consent
• Goal
• Group
• Healthcare Service
• Location
• Observation
• Procedure
• ServiceRequest
• Task

Implementers should also be familiar with the following Implementation Guides used by this specification:

• US Core
• Structured Data Capture
  • extraction
  • rendering
  • behavior

This IG supports the R4 version of the FHIR standard.