Name Steward Organization Suggested Domain Suggested Domain Description Cde Group Classification
HOW OFTEN did you take Vitamin D, alone? LOINC Treatment
Treatment for all conditions
NIH CDEs
  • PhenX
    • Miscellaneous

# Datatype
Value List

# Permissible value Value meaning name Value meaning code Code system name
1 1 to 3 times a week LA13830-7 LOINC
2 4 to 6 times a week LA13855-4 LOINC
3 Once a day LA13897-6 LOINC

# Designation Tags
How often did you take Vitamin D, alone [PhenX] Long Common Name
HOW OFTEN did you take Vitamin D, alone? Question Text
Vit D alone PhenX Short Name

# Identifier Origin Version
61541-9 LOINC 2.69
7J7eeD5ihox NLM CDEs 12-02-2025-download