63646-4
During the past 30 days, on how many days did you use drugs [PhenX]
- LOINC
- 63646-4
- Component
- During the past 30D, on how many D did you use drugs
- System (specimen)
- ^Patient
- Property
- NRat
- Scale
- Qn
- Method
- PhenX
- Class
- PHENX
- Status
- ACTIVE