Name Steward Organization Suggested Domain Suggested Domain Description Cde Group Classification
Last known to be well date and time NINDS Disease characterization
Including Alzheimer's Disease (AD)/AD-Related Dementias (ADRD) diagnosis and multiple chronic conditions (MCCs)
NIH CDEs
  • NINDS
    • Disease
      • Stroke
        • Classification
          • Supplemental?Highly Recommended
        • Domain
          • Disease/Injury Related Events
            • History of Disease/Injury Event
    • Domain
      • Disease/Injury Related Events
        • History of Disease/Injury Event
    • Population
      • Adult
      • Pediatric

# Datatype
Date

# Definition
The date and time at which the patient was last known to be without the signs and symptoms of the current stroke or at his or her prior baseline. This element captures the date and time for last known well that is determined to be the most accurate after all the data have been evaluated and additional witnesses interviewed (if applicable).

# Designation
Last known to be well date and time

# Identifier Origin Version
C14191 NINDS 3
LastKnownWellDateTime BRICS Variable Name N/A
KcxNh3xoqox NLM CDEs 12-02-2025-download