Back to top



Harmonization is the standardization of specifications for related measures with the same measure focus (for example, influenza immunization of patients in hospitals or nursing homes); related measures for the same target population (for example, eye exam and HbA1c for patients with diabetes); or definitions applicable to many measures (for example, age designation for children) so that they are uniform or compatible, unless differences are justified (in other words, dictated by the evidence). The dimensions of harmonization can include numerator, denominator, exclusions, calculation, and data source and collection instructions. The extent of harmonization depends on the relationship of the measures, the evidence for the specific measure focus, and differences in data sources. Measure developers should harmonize value sets used in measures when the intended meaning is the same. Harmonization can also mean adoption of the same standard(s) for different purposes such as use of standards for eCQMs and CDS, for example Clinical Quality Language for logic expression in eCQMs and CDS.

Health information technology

Health information technology (IT) involves the processing, storage, and exchange of health information in an electronic environment. According to the Health Information Technology for Economic and Clinical Health (HITECH) Act, the term health information technology includes hardware, software, integrated technologies or related licenses, intellectual property, upgrades, or packaged solutions provided as services that are designed for or support the use by healthcare entities or patients for the electronic creation, maintenance, access, or exchange of health information.

Health IT developer/vendor

A health IT developer/vendor is an entity that designs, develops, and/or markets health IT software application(s) for use in hospitals, ambulatory care settings, and/or specialty care delivery settings, e.g., EHR developer, EHR vendor, quality reporting software developer, quality reporting software vendor.

Health Level Seven International®

Health Level Seven International is a standards-developing organization that provides a framework and international standards for the exchange, integration, sharing, and retrieval of electronic health information (including clinical and administrative data) that supports clinical practice and the management, delivery, and evaluation of health services. These standards for transfer of data between healthcare software applications focus on the application layer, which is "layer 7" in the Open Systems Interconnection model (OSI model), a conceptual model that characterizes and standardizes the communication functions of a telecommunication or computing system without regard to its underlying internal structure and technology.

Healthcare consumer

An individual who uses the services of a healthcare provider including patients receiving medical care or treatment. IHI Global Services. (n.d). What is health consumer. Retrieved June 7, 2022, from

Healthcare organization

A healthcare organization is a purposefully designed, structured social system developed for the delivery of healthcare services by specialized workforces to defined communities, populations, or markets.

Healthcare payor

A healthcare payor is any payer of healthcare services other than the insured person, e.g., insurance company, Health Maintenance Organization, Preferred Provider Organization, or the federal government.

Healthcare Service Location

Healthcare Service Location (HSLOC) is a classification of locations and settings where healthcare services are provided, which can be used to identify locations within a facility, such as the Emergency Department and medical intensive care unit.

Hybrid measure

A hybrid measure is a quality measure that uses more than one source of data for measure calculation. Current hybrid measures use claims data and electronic clinical data from EHRs to calculate measure results.

Hypertext Markup Language

Hypertext Markup Language (HTML) is the standard markup language for creating web pages and web applications.