Name Steward Organization Suggested Domain Suggested Domain Description Cde Group Classification
At what age did this itchy rash first occur [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
1 Under 2 years LA15710-9 LOINC
2 2 to 4 years LA13841-4 LOINC
3 5 or more years LA15711-7 LOINC

# Designation Tags
At what age did this itchy rash first occur? Question Text
Itchy rash first age 6 PhenX Short Name
At what age did this itchy rash first occur [PhenX] Long Common Name

# Identifier Origin Version
64409-6 LOINC 2.69
71yZssqo3je NLM CDEs 12-02-2025-download