Table 5Sources of existing common data elements and value sets

NameDescription and URLRelevance
eCQI Resource CenterCentralized location for news, information, tools, and standards related to electronic clinical quality improvement (eCQI) and electronic clinical quality measures (eCQMs), coordinated by the CMS and the Office of the National Coordinator for Health Information Technology (ONC). https://ecqi​.healthit.gov/Overlapping criteria for defining patient populations
Value Set Authority Center (VSAC)Repository for public value sets created by external programs. Value sets are lists of codes and corresponding terms that define clinical concepts to support effective and interoperable health information exchange. https://vsac​.nlm.nih.gov/Overlapping value sets
Consolidated-Clinical Document Architecture (C-CDA)The C-CDA implementation guide contains a library of CDA templates, incorporating and harmonizing previous efforts from Health Level Seven (HL7), Integrating the Healthcare Enterprise (IHE), and Health Information Technology Standards Panel (HITSP). It represents harmonization of the HL7 Health Story guides, HITSP C32, related components of IHE Patient Care Coordination (IHE PCC), and Continuity of Care (CCD). http://www​.hl7.org/implement​/standards/product_brief​.cfm?product_id=408Overlapping data representations
NIH Common Data Elements RepositoryRepository of structured human and machine-readable definitions of data elements that have been recommended or required by NIH Institutes and Centers and other organizations for use in research and for other purposes. https://www​.nlm.nih.gov/cde/Overlapping data element definitions

From: Key Project Activities

Cover of Development of Harmonized Outcome Measures for Use in Patient Registries and Clinical Practice: Methods and Lessons Learned
Development of Harmonized Outcome Measures for Use in Patient Registries and Clinical Practice: Methods and Lessons Learned [Internet].
Leavy MB, Schur C, Kassamali FQ, et al.

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