Name Steward Organization Suggested Domain Suggested Domain Description Cde Group Classification
COVID-19 Case Classification Date Project 5 (COVID-19) Disease characterization
Including Alzheimer's Disease (AD)/AD-Related Dementias (ADRD) diagnosis and multiple chronic conditions (MCCs)
NIH CDEs
  • Project 5 (COVID-19)
    • Tier 1

# Datatype
Date

# Name Origin Origin Concept type
Case NCI Thesaurus C49152 data element concept
Classification NCI Thesaurus C25161 data element concept
Date and Time NCI Thesaurus C37939 data element concept
COVID-19 Infection NCI Thesaurus C171133 data element concept

# Definition Sources
The date the diagnosis was confirmed. Project 5

# Designation Tags
What is the date of this diagnosis classification/confirmation? Preferred Question Text
COVID-19 Case Classification Date

# Identifier Origin Version
__b0hlBmCJ NLM CDEs 12-02-2025-download