The U.S. Health Information Knowledgebase


The mission of AHRQ’s U.S. Health Information Knowledgebase is to provide an online, publicly accessible registry and repository of health care-related data, metadata, and standards to support the health information technology initiatives of the HHS Secretary and the AHRQ Director.  It is funded and directed by AHRQ, with management support in partnership with the Centers for Medicare & Medicaid Services (CMS) to improve the uniformity, accuracy, validity, and computerization of health data.

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USHIK is populated with information from Standards Development Organizations (SDOs), CMS, States’ All-Payer Claims Databases (APCD), AHRQ’s Patient Safety Common Formats, and other health care organizations.  It contains Meaningful Use clinical quality measures and value sets, Patient Safety forms, and various health care standards data information. USHIK provides the functionality to interactively view, compare, and download data information in various formats. This functionality can be used for analyzing and harmonizing standards, clinical quality and patient safety measures, and other health care data.  This functionality supports health care researchers, providers, standards developers, Federal and State entities, and EHR system developers in achieving their goals.


USHIK is a resource for the Standards and Interoperability Framework Initiatives of HHS’ Office of the National Coordinator for Health IT (ONC) and the programs of other Federal agencies that must comply with the President’s Interoperability Standards specified in Executive Order 13410:  Promoting Quality and Efficient Health Care in Federal Government Administered or Sponsored Health Care Programs.  Researchers and the public benefit from more uniform health data that, in turn, leads to more robust research findings and health decision tools.

Participating Agencies and Institutions

The U.S. Health Information Knowledgebase’s data element information is organized with information models for the initiatives of Federal programs, SDOs, and other health care organizations so that the user can place this data element information into context.  Further, USHIK supports public and private organizations that desire to harmonize their information formats with existing and emerging health care standards.

USHIK contains data element information for government initiatives that support the use and implementation of data standards such as the Health Insurance Portability and Accountability Act (HIPAA), the Consolidated Health Informatics (CHI) initiative, the Health Information Technology Standards Panel (HITSP) (completed April 30, 2010), the Standards and Interoperability Framework initiatives of ONC, and AHRQ’s Patient Safety Common Format standards.

USHIK is housed and funded by AHRQ with CMS and the Veterans Administration as strategic interagency partners.

Page last reviewed August 2013
Page originally created August 2013
Internet Citation: The U.S. Health Information Knowledgebase. Content last reviewed August 2013. Agency for Healthcare Research and Quality, Rockville, MD.
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