| Answer | 9 or less | LA14554-2 |
| Answer | 10 | LA13942-0 |
| Answer | 11 | LA14557-5 |
| Answer | 12 | LA14558-3 |
| Answer | 13 | LA14559-1 |
| Answer | 14 | LA14560-9 |
| Answer | 15 | LA14561-7 |
| Answer | 16 | LA14562-5 |
| Answer | 17 or more | LA14555-9 |
| answers-for | How old were you when your menstrual periods began [PhenX] | 64634-9 |
| LONG_COMMON_NAME | en-US | PhenX10_07_ age first period |
LOINC Version: 2.77
FHIR