| Answer | Often (more than one attack a month) | LA15523-6 |
| Answer | Regularly (an attack once a month on average) | LA15524-4 |
| Answer | Sporadically (between 4 and 10 times a year) | LA15525-1 |
| Answer | Rarely (less than one attack every 3 months) | LA15526-9 |
| answers-for | How often do you generally have attacks [PhenX] | 67424-2 |
| LONG_COMMON_NAME | en-US | PhenX20_28_migraine freq |
LOINC Version: 2.77
FHIR