Name Steward Organization Suggested Domain Suggested Domain Description Cde Group Classification
Loss of consciousness duration range NINDS Disease characterization
Including Alzheimer's Disease (AD)/AD-Related Dementias (ADRD) diagnosis and multiple chronic conditions (MCCs)
NIH CDEs
  • NINDS
    • Disease
      • Sport Related Concussion
        • Acute
          • Classification
            • Supplemental
          • Domain
            • Disease/Injury Related Events
              • History of Disease/Injury Event
        • Comprehensive
          • Classification
            • Supplemental
          • Domain
            • Disease/Injury Related Events
              • History of Disease/Injury Event
        • Persistent/Chronic
          • Classification
            • Supplemental
          • Domain
            • Disease/Injury Related Events
              • History of Disease/Injury Event
        • Subacute
          • Classification
            • Supplemental
          • Domain
            • Disease/Injury Related Events
              • History of Disease/Injury Event
      • Traumatic Brain Injury
        • Acute Hospitalized
          • Classification
            • Core
          • Domain
            • Assessments and Examinations
              • Physical/Neurological Examination
        • Comprehensive
          • Classification
            • Core
          • Domain
            • Assessments and Examinations
              • Physical/Neurological Examination
        • Concussion/Mild TBI
          • Classification
            • Core
          • Domain
            • Assessments and Examinations
              • Physical/Neurological Examination
        • Epidemiology
          • Classification
            • Core
          • Domain
            • Assessments and Examinations
              • Physical/Neurological Examination
        • Moderate/Severe TBI: Rehabilitation
          • Classification
            • Core
          • Domain
            • Assessments and Examinations
              • Physical/Neurological Examination
    • Domain
      • Assessments and Examinations
        • Physical/Neurological Examination
      • Disease/Injury Related Events
        • History of Disease/Injury Event
    • Population
      • Adult
      • Pediatric
  • NHLBI
    • Sickle Cell Disease
      • Domain
        • Assessments and Examinations
          • Physical Examinations
      • Classification
        • Proposed

# Datatype
Value List

# Permissible value Value meaning name Value meaning definition
1-24 hours 1-24 hours 1-24 hours
1-29 minutes 1-29 minutes 1-29 minutes
1-7 days 1-7 days 1-7 days
30 minutes to 24 hours 30 minutes to 24 hours 30 minutes to 24 hours
30-59 minutes 30-59 minutes 30-59 minutes
<1 minute <1 minute <1 minute
>7 days >7 days >7 days
No return of consciousness prior to death or discharge No return of consciousness prior to death or discharge No return of consciousness prior to death or discharge
None None None
Unknown Unknown Unknown

# Definition
The range of duration of loss of consciousness the participant/subject experienced

# Designation
Loss of consciousness duration range

# Identifier Origin Version
RYYdahOP3Mq NLM CDEs 12-02-2025-download
LOCDurRang BRICS Variable Name N/A
C01053 NINDS 3