What is the value of this specification? As with other parts of FHIR (think Terminology services) what CDS hooks does is to separate the provision of complex functionality like CDS services from their consumption. By standardising the interface between the two, it establishes a ‘marketplace’ of CDS services which allows an EHR to select the service that meets their needs, knowing that the interface has been carefully designed, commonly used and widely checked. The supplier of the services can also market themselves to any other EHR that supports CDS Hooks, which makes it simpler to provide services and reduces the need for bespoke interfaces.
an EHR can invoke external services to improve clinical workflow, using SMART to ensure security
CDS services support clinicians during their decision-making process, ensuring appropriate information is provided at the point of care.
CDS Hooks, SMART on FHIR and the FHIR standard can underpin an ecosystem of healthcare data, supporting access to, and manipulation of, healthcare data and services by different applications.
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