Name Steward Organization Suggested Domain Suggested Domain Description Cde Group Classification
Have you had a seizure, brain, or other nervous system problem [PhenX] LOINC Disease characterization
Including Alzheimer's Disease (AD)/AD-Related Dementias (ADRD) diagnosis and multiple chronic conditions (MCCs)
NIH CDEs
  • PhenX
    • Miscellaneous

# Datatype
Value List

# Permissible value Value meaning name Value meaning code Code system name
0 No LA32-8 LOINC
1 Yes LA33-6 LOINC
9 Don't know LA12688-0 LOINC

# Designation Tags
Nervous system problem PhenX Short Name
Have you had a seizure, brain, or other nervous system problem? Question Text
Have you had a seizure, brain, or other nervous system problem [PhenX] Long Common Name

# Identifier Origin Version
66379-9 LOINC 2.69
QJElC8qs2sl NLM CDEs 12-02-2025-download