Name Steward Organization Suggested Domain Suggested Domain Description Cde Group Classification
How old were you when your menstrual periods began [PhenX] LOINC Demographic information
Patient and caregiver demographic information
 NIH CDEs
  • ▼ PhenX
    • Miscellaneous

# Datatype

UUID: c710e1d9-bdd3-5ae3-9d5e-bb4d8472c3d0

Value List

# Permissible value Value meaning name Value meaning code Code system name

UUID: f8be8c04-114b-51c4-a89d-9091f8a76a7d

1 9 or less LA14554-2 LOINC

UUID: 8ba1bd4b-50fb-5dd8-941e-7361440a45b1

2 10 LA13942-0 LOINC

UUID: 5d3784dc-1c80-54bd-8c41-3a87f13adaa4

3 11 LA14557-5 LOINC

UUID: 22fae947-672b-5c8b-bb09-35556d9235b7

4 12 LA14558-3 LOINC

UUID: 3acfe0f2-0d6e-5cdb-a635-2f94974ca27c

5 13 LA14559-1 LOINC

UUID: 160c424e-77af-52c1-8288-61eeb1352cba

6 14 LA14560-9 LOINC

UUID: ec9842eb-b406-5726-a787-5aee4467e9a5

7 15 LA14561-7 LOINC

UUID: 0da0f934-a4f4-54b2-a0ca-f67cecd9cf4a

8 16 LA14562-5 LOINC

UUID: a1fd7057-5dd7-515e-a27f-f30cd099c4e9

9 17 or more LA14555-9 LOINC

# Designation Tags

UUID: 8d3c18e5-984e-5fb4-b4e0-1bb65972f986

How old were you when your menstrual periods began? Question Text

UUID: c98d93b5-70a2-517a-93fe-196d0c05a18d

Menstrual period began first age PhenX Short Name

UUID: afbe0353-6ef4-5b6d-875c-12ea3232fda5

How old were you when your menstrual periods began [PhenX] Long Common Name

# Identifier Origin Version

UUID: 38643d59-9c6f-5b6d-9051-5d1240478804

7yxHw5o3sl NLM CDEs 12-02-2025-download

UUID: 212561d7-889d-592c-bc59-7ce9189756cb

64634-9 LOINC 2.69