IHE ACDC Implementation Guide, published by Integrating the Healthcare Enterprise (IHE). This is not an authorized publication; it is the continuous build for version 0.1.0). This version is based on the current content of https://github.com/IHE/ACDC/ and changes regularly. See the Directory of published versions

IHE ACDC Actor Options

Options that may be selected for each actor in this profile, are listed in the Table 15.2-1. Dependencies between options when applicable are specified in notes.

Table 15.2-1: ACDC - Actors and Options

Actor	Option Name
Clinical Knowledge Resource Repository	Questionnaire Item Retrieval Option1
	Assessor Option1
	EHR Launch Option1
Artifact Consumer	None Defined
Assessment Requestor	EHR Launch Option
Assessor	EHR Launch Option

Note 1: At least one of these options shall be supported by the related actor

Questionnaire Item Retrieval Option

The Questionnaire Item Retrieval option enables systems to interpret the content of the returned Questionnaire resources using their own Questionnaire handling interface.

Clinical Knowledge Resource Repository

A Clinical Knowledge Resource Repository that implements the Questionnaire Item Retrieval Option shall include the necessary information in Questionnaire.item fields in the returned Questionnaire resource to enable execution of the assessment instrument.

Assessor Option

The Assessor Option enables a Clinical Knowledge Repository to provide Assessment capabilities for applications which cannot provide their user interface to implement the user interactions described by the Questionnaire resource.

A Clinical Knowledge Resource Repository that implements the Assessor Option shall be grouped with an Assessor actor that is able to perform the assessments it provides.

EHR Launch Option

The EHR Launch Option allows assessments to be performed using the SMART on FHIR EHR Launch workflow from the providers EHR system.

EHR Launch Requirements on Clinical Knowledge Resource Repository

A Clinical Knowledge Resource Repository that implements the EHR Launch Option shall include at least one launch-url extension in Questionnaire resources to tell the receiver how to launch a SMART on FHIR application that will implement the assessment. That assessor must implement the FHIR EHR Launch Option.

EHR Launch Requirements on Assessment Requester

An Assessment Requester that implements the EHR Launch option shall initiate a SMART on FHIR EHR Launch protocol via the launch url associated with the assessment.

EHR Launch Requirements on Assessor

An Assessor that implements the EHR Launch option supports initiation of the assessment via the SMART on FHIR EHR Launch protocol and allows specification of the canonical url of the Questionnaire resource in the def parameter of the launch url.