Clinical Quality Framework
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Participating Work Groups:
Background
The Clinical Quality Framework is a joint effort by the Clinical Decision Support and Clinical Quality Information Work Groups to identify, develop, and harmonize standards that promote integration and reuse between Clinical Decision Support (CDS) and Clinical Quality Measurement (CQM).
The effort began as a public-private initiative sponsored by the Centers for Medicare and Medicaid Services (CMS) and the Office of the National Coordinator of Health IT (ONC) and has since transitioned to a joint effort within HL7 as the stewards of the specifications involved.
The effort focuses on two primary use cases:
- Representation and distribution of knowledge artifacts (rules, order sets, documentation templates, measures, etc)
- Evaluation of knowledge
Representation
For the knowledge representation use case, artifacts such as rules, order sets, and quality measures are represented using three primary components:
- Metadata - Structured information about the artifact such as description, usage, evidence, stewardship, and catalog information
- Patient and Clinical Information - Data models used to represent patient and clinical information within the artifacts
- Expression Logic - Formal representation of logic involved in the artifact such as rule conditions and quality measure population criteria
Metadata
Harmonized metadata requirements for decision support and quality measurement artifacts are described conceptually in Clinical Quality Common Metadata Conceptual Model.
These metadata are realized concretely in FHIR as the initial group of elements present on all the knowledge resources. For a representative example, see the PlanDefinition elements up to relatedArtifact.
Patient and Clinical Information
Harmonized information model requirements for decision support and quality measurement artifacts are described conceptually in Health Quality Improvement (also known as Quality Improvement Domain Analysis Model, QIDAM).
These conceptual requirements are then realized as a set of FHIR Profiles in Quality Improvement Core (QI-Core).
For more information on model harmonization efforts, refer to Health Quality Information Models Activities (Includes CMS Quality Data Model (QDM) mapping activities to QI Core).
Expression Logic
Harmonized expression logic requirements for decision support and quality measurement artifacts are described conceptually in Harmonization of Health Quality Artifact Reasoning and Expression Logic.
These conceptual requirements are realized in the Clinical Quality Language specification.
For more information on Clinical Quality Language, refer to the Clinical Quality Language project page.
Artifact Representation
Decision support and quality measurement artifacts can then be expressed using these components.
In FHIR, artifacts are expressed using the resources defined by the Clinical Reasoning module.
In addition, the Clinical Decision Support Knowledge Artifact Specification (KAS) can be used to define decision support artifacts, and the Health Quality Measure Format (HQMF) can be used to define quality measurement artifacts.
Evaluation
The CDS Hooks specification provides the basis for the evaluation use case. The CQF community participates in the CDS Hooks process in pursuit of decision support evaluation use cases.
Current State
The following table depicts standards currently used in the V3 and FHIR families for Clinical Decision Support:
| Component | V3-based | FHIR-based |
|---|---|---|
| Metadata and Structure | Clinical Decision Support Knowledge Artifact Specification (aka HeD, and sometimes KNART) | FHIR Clinical Reasoning |
| Logic | Clinical Quality Language (CQL) | Clinical Quality Language (CQL) |
| Clinical Data | Virtual Medical Record (vMR) | QI-Core |
| Evaluation | Decision Support Specification (DSS) | CDS Hooks |
And the same table for Clinical Quality Measurement:
| Component | V3-based | FHIR-based |
|---|---|---|
| Metadata and Structure | Health Quality Measure Format (HQMF) | FHIR Clinical Reasoning |
| Logic | Clinical Quality Language (CQL) | Clinical Quality Language (CQL) |
| Clinical Data | Quality Data Model | QI-Core |
| Evaluation | Quality Reporting Document Architecture (QRDA) | FHIR Clinical Reasoning |
