Quality Measure Implementation Guide (STU3)
3.0.0 - STU 3
US
Quality Measure Implementation Guide (STU3)
3.0.0 - STU 3
US
This page is part of the Quality Measure STU2 for FHIR R4 Implementation Guide (v3.0.0: STU3) based on FHIR 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 
| Official URL: http://hl7.org/fhir/us/cqfmeasures/ImplementationGuide/hl7.fhir.us.cqfmeasures | Version: 3.0.0 | |||
| Draft as of 2018-11-01 | Computable Name: CQFMeasures | |||
The Fast Healthcare Interoperability Resource (FHIR) Quality Measure Implementation Guide (this IG) describes an approach to representing electronic Clinical Quality Measures (eCQMs) using the FHIR Clinical Reasoning Module and Clinical Quality Language (CQL) in the US Realm. However, this Implementation Guide can be usable for multiple use cases across domains, and much of the content is likely to be usable outside the US Realm.
The implementation guide is based upon the previous generation of eCQM representation standards, the HL7 V3-based Health Quality Measure Format (HQMF) and accompanying implementation guides. As an HL7 FHIR Implementation Guide, changes to this specification are managed by the sponsoring Clinical Quality Information Work Group and are incorporated as part of the standard balloting process.
Refer to the QI-Core implementation guide for examples of how to represent data involved in calculation of quality measures.
This Guide is divided into several pages which are listed at the top of each page in the menu bar:
As shown in step 1 in the diagram below, the Quality Improvement Ecosystem begins with information, preferably evidence-based from research, public health surveillance, and data mining and other analyses performed by third parties such as academic institutions or payers. Such information indicates existing status and knowledge about a given clinical topic. In step 2, stakeholders, such as professional societies, public health agencies, and governmental bodies, publish such information to assure awareness among consumers, healthcare practitioners, and healthcare organizations about what is known and suggested methods for managing the clinical topic. Ideally, suggested management efforts are captured and documented in guidelines based on collaboration among clinical subject matter experts, terminologists, informaticists, clinicians and consumers. In step 3, these clinical guidelines are translated into clinical decision support (CDS) artifacts to incorporate relevant, evidence based, and patient-specific clinical recommendations and actions directly within clinical workflow. To adequately impact clinical care for clinicians and patients requires local implementation activities as shown in Step 4. CDS is not intended to replace clinician judgment, but rather to provide information to assist care team members in managing the complex and expanding volume of biomedical and person-specific data needed to make timely, informed, and higher quality decisions based on current clinical science. Ideally, the clinical guidelines and CDS include methods for evaluating what successful implementation means, (i.e., whether the clinical care ultimately provided included processes that addressed the intent of the guideline and if it achieved the desired outcomes). Further information on CDS and its optimization of care delivery can be found here. In step 5, to close the loop and enable continuous improvement, the results of such measurement analytics must be reported for aggregate review. Step 6, “Reporting” serves the purpose of evaluating clinical performance and outcomes, whether it be internally for health care organizations, or for third parties such as public health or for payers. Ultimately, this information may then serve as part of the evidence base shown in step 1.
Practictioner organizations along with stakeholders such as public health have ongoing needs for quality improvement at the point of care. Every effort should be made to establish a capable distributed rule processing environment in FHIR. For additional information about idealized processes for moving evidence and information from guidelines to CDS and measurement, refer to an effort by the Centers for Disease Control and Prevention (CDC) called Adapting Clinical Guidelines for the Digital Age.
This implementation guide is part of a larger FHIR-based quality improvement and quality measurement standards landscape, depicted in the following diagram:
The left side of the quality measurement standards landscape diagram depicts the activities and standards associated with measure specification, while the right side depicts measure reporting. Stakeholders and the roles they play are represented by the three rounded rectangles in the foreground. Note that the lists are representative of typical stakeholders, but that a single stakeholder may play any or all of the roles in this diagram. For example, an institution specifying its own measures for internal use would be the Producer, Consumer, and Specifier.
Quality measure (or performance measure) is a numeric quantification of healthcare quality for a designated accountable healthcare entity, such as hospital, health plan, nursing home, clinician, etc. A healthcare performance measure is a way to calculate whether and how often the healthcare system does what it should. Measures are based on scientific evidence about processes, outcomes, perceptions, or systems that relate to high-quality care. Source
Measure specification involves the end product of the measure development process, a precisely specified, valid, reliable, and clinically significant measure specification to support accurate data representation and capture of quality measures. Clinical Quality Measures (CQMs) are tools that help measure and track the quality of health care services provided in care delivery environments, including eligible clinicians (ECs), eligible hospitals (EHs), and critical access hospitals (CAHs). Measuring and reporting CQMs helps to ensure that our health care system is delivering effective, safe, efficient, patient-centered, equitable, and timely care. CQMs measure many aspects of patient care, including patient and family engagement, patient safety, care coordination, public health, population health management, efficient use of healthcare resources, and clinical process and effectiveness. For more information on the basics of Clinical Quality Measures, see Clinical Quality Measures Basics. Before Electronic Health Record (EHR) systems, chart-abstracted CQMs were predominant. Modern EHR systems enable electronic CQMs, or eCQMs.
Measure reporting involves the data collection and aggregation, calculation and analytics, and ultimately reporting of quality measures. Measure reporting may be accomplished in different ways at various levels of the healthcare delivery system, from individual providers attesting to specific quality measures as part of federally-regulated healthcare quality initiatives, to provider organizations reporting to healthcare plans as part of payer quality improvement activities, to institutions reporting on the quality of their own healthcare delivery.
Stakeholders in the quality space, represented by the three rounded rectangles in the foreground of the above diagram, fall into three broad categories:
Data Producers in the diagram represent the various stakeholders involved in the de novo creation of healthcare data. Date Producers can include providers and provider systems; patients, care teams, caregivers, and patient engagement systems; and other related clinical systems such as laboratory, clinic, and hospital information systems that are primary producers of patient healthcare information.
Data Consumers in the diagram represent the various stakeholders involved in the consumption and use of healthcare data. Data Consumers can include data routers and aggregators, payers, health information exchanges and health integrated networks, as well as public health, registries, and other healthcare-related agencies.
Specifiers in the diagram represents the various stakeholders involved in the specification of quality measures for use in healthcare quality measurement and reporting. Specifiers can include quality agencies, public health, and other healthcare-related agencies, industry consortiums concerned with improving care quality, and clinical professional societies. Specifiers may also be institutions and clinics using the quality measurement standards to specify quality measures for use in their own environments and quality improvement initiatives.
The shaded areas underlying the stakeholders depict the various standards involved (see Clinical Quality Framework for more information).
Fast Healthcare Interoperability Resources, or FHIR, is a Health Level 7 (HL7) platform specification for healthcare that supports exchange of healthcare information between systems. FHIR is universally applicable, meaning that it can be used in a broad variety of implementation environments. The platform provides layers of implementation that support foundational protocols; base implementation functionality such as conformance and terminology; administrative functionality to represent patients, care teams, locations, and organizations; healthcare processes including clinical and diagnostic information, as well as medication, workflow, and financial; and finally, a clinical reasoning layer that provides support for the representation of knowledge and reasoning about healthcare.
The quality measurement standards landscape makes use of all these layers of FHIR: the foundational and implementation layers to define interactions and profiles; the administrative and process layers to represent the data of interest for quality measurement; and the clinical reasoning layer to specify and support evaluation and reporting of quality measures.
Clinical Quality Language, or CQL, is an HL7 cross-paradigm specification that defines a high-level, domain-specific language focused on clinical quality and targeted for use by measure and decision support artifact authors. In addition, the specification describes a machine-readable canonical representation called Expression Logical Model (ELM) targeted at implementations and designed to facilitate sharing and evaluation of clinical knowledge.
This ability to render clinical knowledge in a high-level human-readable form as well as an intermediate-level, platform-independent machine-readable form makes CQL an ideal mechanism for specifying the criteria involved in quality measures.
The FHIR Quality Measure Implementation Guide (this IG) defines conformance profiles and guidance focused on the specification of quality measures using the FHIR Measure and Library resources. The IG does not standardize the content of any particular measure, rather it defines the standard approach to the representation of that content so that quality measure specifiers can define and share standardized FHIR-based electronic Clinical Quality Measures (eCQMs).
The Quality Improvement Core Implementation Guide, or QI-Core, defines a set of FHIR profiles with extensions and bindings needed to create interoperable, quality-focused applications. Importantly, the scope of QI-Core includes both quality measurement and decision support to ensure that knowledge expressed can be shared across both domains. QI-Core is derived from US Core, meaning that where possible, QI-Core profiles are based on US Core to ensure alignment with and support for quality improvement data within healthcare systems in the US Realm.
Note that QI-Core is intended to be a FHIR-based rendering of a quality-focused logical model called QUICK (Quality Information and Clinical Knowledge). However, the QUICK model is still in development, so the QI-Core profiles are currently built directly as a FHIR Implementation Guide. To support the goals of the QUICK logical model, the QI-Core implementation guide includes an author-focused view of QUICK, the QUICK logical view. See the Relationship Between QUICK, the QI-Core Profiles, and FHIR discussion in the QI-Core implementation guide for more information.
The Data Exchange for Quality Measures Implementation Guide, or DEQM, provides a framework that defines conformance profiles and guidance to enable the exchange of quality information and quality measure reporting (e.g. for transferring quality information from a health care provider to a payer). The DEQM expects to use quality measures specified in accordance with the Quality Measure IG and QI-Core.
The quality improvement ecosystem covers every aspect of the healthcare delivery system, and needs to be able to represent information across that entire spectrum. FHIR provides a foundation for representation of this information in a universally applicable way. In particular cases, more specificity is required to capture the intended meaning of healthcare information. As FHIR is more and more broadly adopted, consensus among participating stakeholders on the use of particular profiles and patterns enables semantic interoperability for more use cases.
Within the US Realm, US Core profiles comprise this base consensus, and although it enables a variety of interoperability use cases, the profiles do not represent all of the requirements for quality improvement. The QI-Core profiles are derived from US Core and provide this additional functionality.
There are occasional instances where additional specificity or functionality is required explicitly for quality measurement, or a particular component within a quality measure. In these cases, additional profiles are defined within the DEQM, or by stakeholders such as measure developers or implementers. For example, the Medication Reconciliation Post Discharge measure example included in this implementation guide references the Healthcare Effectiveness Data and Information Set (HEDIS) Implementation Guide, which defines profiles specific to that particular HEDIS measure.
The following diagram depicts this data model standards landscape:
As illustrated, FHIR provides the foundation, and sets of profiles are built on top of FHIR that provide more and more focused use cases by constraining profiles and extending functionality to cover gaps. While the additional layers are necessary to represent specific operations and provide space for agreement among relevant stakeholders, the consensus-based standards development process is used to suggest changes to the layers below, resulting in an ever-broadening umbrella of interoperability.
This layering of profiles balances the relative adoption and implementation maturity of FHIR and the data representation requirements of the use cases involved, guided by the following principles:
There are three broadly used and fully published versions of the FHIR specification:
In addition to what data is reported, use cases frequently require the communication of when, where and how to report. See the Electronic Case Reporting (eCR) implementation guide for a more complete discussion of these design considerations. We are actively seeking feedback from implementers how this type of information is currently communicated in quality reporting scenarios and when it would be useful to do so electronically.
Centers for medicare & medicaid. Clinical Quality Measures Basics. [Online]. Available from: https://www.cms.gov/Regulations-and-Guidance/Legislation/EHRIncentivePrograms/ClinicalQualityMeasures.html [Accessed 11 October 2019].
Centers for disease control and prevention. Adapting Clinical Guidelines for the Digital Age. [Online]. Available from: https://www.cdc.gov/ddphss/clinical-guidelines/index.html [Accessed 11 October 2019].
Health level seven. Clinical Quality Framework - HL7 Clinical Quality Information Work Group Confluence Page. [Online]. Available from: https://confluence.hl7.org/display/CQIWC/Clinical Quality Framework [Accessed 11 October 2019].
IG © 2019+ Clinical Quality Information WG. Package hl7.fhir.us.cqfmeasures#3.0.0 based on FHIR 4.0.1. Generated 2022-04-28
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