On how many days in the last 3 months did you have a headache, if headache lasted more than 1 day, count each day [PhenX]
- LOINC
- 65380-8
- Component
- On how many Ds in the last 3Mo did you have a headache, if headache lasted more than 1D, count each D
- System (specimen)
- ^Patient
- Property
- NRat
- Scale
- Qn
- Method
- PhenX
- Class
- PHENX
- Status
- TRIAL