| MSPS | Multi-Source Prescription Switch |
| POP | Point of Prescription |
| CV | Coefficient of Variation |
| DAW | Dispense As Written |
| INN | International Non-proprietary Names |
| NHIS | Korean National Health Insurance Services |
| HIRA | Korea Health Insurance Review and Assessment |
| HCTZ | Hydrochlorothiazide |
| P&T | Pharmacy and Therapeutics |