Raw CDE Materials / CDE Resources
Browse source materials used to propose, harmonize, and validate CDEs.
NACC UDS Data Dictionary
Uniform Data Set (UDS) metadata dictionary reference for AD/ADRD elements.
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NIA Funded Studies
NIA-funded study instruments, data dictionaries, and harmonization sources.
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CMS CCW Data
CMS Chronic Conditions Warehouse (CCW) claims-based variables and definitions.
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LINKAGE Data
Cross-dataset linkage resources and derived linkage variables/keys (as available).
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EHR Data
Electronic Health Record-derived fields, mappings, and extraction guidance.
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