Name Steward Organization Suggested Domain Suggested Domain Description Cde Group Classification
Last Name of Participant GRDR Demographic information
Patient and caregiver demographic information
NIH CDEs
  • GRDR
    • Requirement
      • Required
    • GUID
      • Have GUID
    • Category
      • Current Contact Information

# Datatype
Externally Defined

# Definition Tags
Used by the registry to generate the GUID Question

# Designation Tags
Last Name of Participant Question
Participant last name as recorded in birth certificate or passport Health

# Identifier Origin Version
e69cenWardU NLM CDEs 12-02-2025-download