Name Steward Organization Suggested Domain Suggested Domain Description Cde Group Classification
Adverse event severity grade scale NINDS Health outcomes
Patient and caregiver health outcomes
NIH CDEs
  • NHLBI
    • Sickle Cell Disease
      • Domain
        • Safety Data
          • Adverse Events
      • Classification
        • Proposed
    • Venous Thromboembolism (VTE)
      • Adverse Events
        • Severity
          • Characteristics
  • NINDS
    • Disease
      • Epilepsy
        • Classification
          • Supplemental
        • Domain
          • Safety Data
            • Adverse Events
      • General (For all diseases)
        • Classification
          • Supplemental
        • Domain
          • Safety Data
            • Adverse Events
      • Parkinson's Disease
        • Classification
          • Supplemental
        • Domain
          • Treatment/Intervention Data
            • Surgeries and Other Procedures
      • Spinal Cord Injury
        • Classification
          • Supplemental
        • Domain
          • Assessments and Examinations
            • Hospital/Care Management
    • Domain
      • Assessments and Examinations
        • Hospital/Care Management
      • Safety Data
        • Adverse Events
      • Treatment/Intervention Data
        • Surgeries and Other Procedures
    • Population
      • Adult
      • Pediatric

# Datatype
Value List

# Permissible value Value meaning name Value meaning definition
Grade 1 Grade 1 Mild: asymptomatic or mild symtoms, clinical or diagnostic observations only, intervention not indicated.
Grade 2 Grade 2 Moderate: minimal, local or noninvasive intervention indicated, limiting age-appropriate Activities of Daily Living.
Grade 3 Grade 3 Severe or medically significant but not immediately life-threatening: hospitalization or prolongation of hospitalization indicated, disabling, limiting self care Activities of Daily Living
Grade 4 Grade 4 Life-threatening consequences: urgent intervention indicated
Grade 5 Grade 5 Death related to adverse event

# Definition
The grading scale of the severity or intensity of the adverse event
The severity of the adverse event.

# Designation Tags
Adverse event severity grade scale
Adverse Event Severity
AE Grade Suggested Question Text

# Identifier Origin Version
Su71nJ0K1WH NLM CDEs 12-02-2025-download
1:83:6:437 ISTH N/A
C02305 NINDS 4
2201188 NINDS caDSR N/A
AdvrsEvntSeverScale BRICS Variable Name N/A