Name Steward Organization Suggested Domain Suggested Domain Description Cde Group Classification
Age at time of event [AHRQ] NLM Demographic information
Patient and caregiver demographic information
NIH CDEs
  • AHRQ
    • Common Formats / Form

# Datatype
Value List

# Permissible value Value meaning name Value meaning code Code system name
a Neonate (0-28 days) LA20736-7 LOINC
b Infant (>28 days <1 year) LA20737-5 LOINC
c Child (1-12 years) LA20738-3 LOINC
d Adolescent (13-17 years) LA20739-1 LOINC
e Adult (18-64 years) LA20740-9 LOINC
f Mature adult (65-74 years) LA20741-7 LOINC
g Older adult (75-84 years) LA20742-5 LOINC
h Aged adult (85+ years) LA20743-3 LOINC
i Unknown LA4489-6 LOINC

# Name Origin Origin Concept type
Nom LOINC - Part - Scale LP7750-5 property
Age at time of event LOINC - Part - Component LP182401-2 object
Pt [Point in time (spot)] LOINC - Part - Time LP6960-1 property
AHRQ LOINC - Part - Method LP173651-3 property
Patient LOINC - Part - Super System LP6985-8 property
Find [Finding] LOINC - Part - Property LP6813-2 property

# Designation Tags
Age at time of event [AHRQ] Long Common Name
At the time of the event what was the patient's age? Question Text

# Identifier Origin Version
DE45 AHRQ 1.2
X1c3A_AiHz NLM CDEs 12-02-2025-download
74500-0 LOINC 2.56