Quality Measure Implementation Guide (STU5)
5.0.0-ballot2 - ballot
Quality Measure Implementation Guide (STU5)
5.0.0-ballot2 - ballot
Quality Measure Implementation Guide (STU5), published by HL7 International / Clinical Quality Information. This guide is not an authorized publication; it is the continuous build for version 5.0.0-ballot2 built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/HL7/cqf-measures/ and changes regularly. See the Directory of published versions
The National Academy of Medicine, formerly called the Institute of Medicine (IOM), defines quality as: “The degree to which health services for individuals and populations increase the likelihood of desired health outcomes and are consistent with current professional knowledge.” For care quality to be evaluated, standard quality metrics need to be developed and communicated to the appropriate organizations. To that end, the FHIR Quality Measure Implementation Guide (this IG) has been written to provide guidance for authoring electronic clinical quality measures (eCQMs), clinical quality measures specified in a standard electronic format and designed to use structured, encoded data present in the electronic health record. This implementation guide references the following standards for creating QMs:
To avoid variation in the use of FHIR Resources and metadata across QMs and clinical decision support (CDS), a quality-related implementation guide based on a logical data model is essential. In the US Realm, QMs should use FHIR Quality Improvement Core (QICore) profiles as the data model to maintain consistency. Other FHIR based data models are also acceptable for use.
Although the specification is based on the 1.5.2 version of CQL, backwards-compatible future versions of CQL can be used as well. In addition, if necessary, the 1.2, 1.3, and 1.4 versions of CQL can be used without loss of functionality for this Implementation Guide.
Except where noted, material from the base FHIR specification, and in particular the Clinical Reasoning module, is not repeated here.
As features and functionality are identified by this implementation guide that apply more broadly, those features may be promoted to the base FHIR specification.
There is a new term of digital quality measure or dQM that is currently being defined across many interested parties. For the purposes of this IG, eCQM and dQM are synonymous. The focus of this IG is a computable representation of a quality measure using HL7 FHIR and CQL.
The audience for this IG includes software developers of measure authoring tools such as the US Centers for Medicare & Medicaid Services (CMS) Measure Authoring Tool (MAT) and Measure Authoring Development Integrated Environment (MADiE); measure developers who will specify clinical quality measures using FHIR and CQL; software developers and implementers who will implement the quality measures specified in FHIR and CQL in their institutions or in their vendor products; institutions and organizations who wish to use FHIR and CQL to express and implement quality measures within their health systems; and local, regional, and national quality reporting agencies who wish to receive and process quality reporting documents that are based on measures specified in FHIR and CQL.
The approach taken here is consistent with balloted IGs for FHIR. These publications view the ultimate implementation specification as a set of formal artifacts, including profiles, extensions, and terminologies. The base FHIR specification provides for the representation of quality measures using the Measure resource, as well as guidance on quality reporting within the Clinical Reasoning module. IGs such as this add constraints to the base resources and guidance through profiles and conformance requirements that further define and restrict the sequence and cardinality of elements in the FHIR resources and the vocabulary sets for coded elements.
This IG is a conformance profile, as described in the “Conformance” section of the HL7 FHIR specification. The base resource for this IG is the HL7 FHIR Measure and Library resources and associated guidance within the Clinical Reasoning module. This IG does not describe every aspect of quality reporting in FHIR. Rather, it defines profiles and constraints on the base Measure and Library resources used in a FHIR Quality Measure. Additional optional Measure and Library elements, not included here, can be included and the result will be compliant with the specifications in this guide. The FHIR Clinical Reasoning module provides resources and universally applicable guidance for reporting quality measurement results, and the Data Exchange for Quality Measures Implementation Guide provides additional guidance and use cases related to quality reporting.
Member attribution forms the framework for measuring performance of healthcare providers, reporting data and reimbursing for patient care using alternative payment models (APMs) that focus on value based management. The process of establishing and exchanging Member Attribution (ATR) Lists for risk based contracts are complex and time consuming. How to apply attribution in a measure, or how to apply attribution when implementing a measure (attribution at different levels - population, organization, practitioner, etc.) is out of scope for this IG. One method, referenced in the capabilities section of this IG (https://build.fhir.org/ig/HL7/cqf-measures/capabilities.html#capabilities-1) , is the Da Vinci - Member Attribution (ATR) List (http://hl7.org/fhir/us/davinci-atr/STU2/) that is published to specify standards for exchanging of Member Attribution (ATR) Lists between providers and payers.
The keywords SHALL, SHALL NOT, SHOULD, SHOULD NOT, MAY, and NEED NOT in this document are to be interpreted as defined in RFC 2119. Unlike RFC 2119, however, this specification allows that different applications may not be able to interoperate because of how they use optional features. In particular
This Implementation Guide (IG) defines an approach to using CQL with the FHIR Measure and Library resources for specifying quality measures. The guidance here is drawn from the FHIR Clinical Reasoning Module, as well as the CQL-Based HQMF IG R1 STU4.1. This Implementation Guide (Figure 2-1(b)) is the successor of the CQL-based HQMF IG R1 STU4.1 (Figure 2-1(a)).
Clinical Quality Language R1.5.2 (CQL) is an HL7 standard for trial use (STU). It is part of the effort to harmonize standards between quality measures (QMs) and clinical decision support (CDS). CQL provides the ability to express logic that is human readable yet structured enough for processing a query electronically.
The first version of the CQL-based HQMF IG was released in September 2015 and was intended to be used in conjunction with the pre-existing QDM based HQMF R1 IG. Since 2015, the community and the standards have evolved and the current version of QDM (v5.4) no longer contains expression logic, ceding this functionality to CQL. The CQL-based HQMF IG is the sole guide describing how to use QDM, CQL, and HQMF in combination (Figure 2-1a).
A result of replacing QDM-based logic with CQL is that all QDM logic elements previously encoded in HQMF were replaced with CQL. This means that QDM data criteria specify only the data of interest (e.g. value sets, effective time, properties) for the QM, and the previous use of QDM expressions that captured interrelationships between data criteria (such as “starts after end of”) or identified subsets of data (such as min, max, last, and first) are now represented with CQL expressions. This IG documents the full approach in detail starting in Chapter 2.
HQMF is a structured document markup standard “…for representing a health quality measure as an electronic document. A quality measure is a quantitative tool to assess the performance of an individual or organization’s performance in relation to a specified process or outcome via the measurement of an action, process, or outcome of clinical care. Quality measures are often derived from clinical guidelines and are designed to determine whether the appropriate care has been provided given a set of clinical criteria and an evidence base.” See HL7, Representation of the Health Quality Measures Format (HQMF) for more information.
Note that HQMF is not an HL7 V3 Clinical Document Architecture (CDA) standard, but is similar to CDA in being a structured document markup standard.
HQMF is now a normative HL7 V3 based standard that defines a header for classification and management of the quality measure as well as important metadata. HQMF also defines a document body that carries the content of the quality measure. It standardizes a measure’s structure, metadata, definitions, and logic, the HQMF ensures measure consistency and unambiguous interpretation.
The FHIR Clinical Reasoning module replaces HQMF by defining the Measure resource.
Quality Reporting Document Architecture (QRDA) Category I is an HL7 standard that supports quality reporting at the individual patient level (referred to as QRDA Category I) and Quality Reporting Document Architecture (QRDA) Category III is an HL7 standard that supports quality reporting at the summary level (referred to as QRDA Category III). The aspects of QRDA related to reporting results are captured in the MeasureReport resource, while the aspects of QRDA representing patient information are captured by QI-Core. The FHIR Clinical Reasoning module replaces QRDA by defining the MeasureReport structure, and the Data Exchange for Quality Measures Implementation Guide provides implementation guidance for measure reporting.
IG © 2019+ HL7 International / Clinical Quality Information. Package hl7.fhir.us.cqfmeasures#5.0.0-ballot2 based on FHIR 4.0.1. Generated 2024-04-09
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