The World Health Organization's ATC classification organizes medical drugs based on therapeutic properties, chemical composition, and anatomy. It helps make essential medicines readily available globally and is widely used in the pharmaceutical industry.
| Level | Code | Title | |
|---|---|---|---|
| 1 | C | Cardiovascular system | |
| 2 | C08 | Calcium channel blockers | |
| 3 | C08G | Calcium channel blockers and diuretics | |
| 4 | C08GA | Calcium channel blockers and diuretics | |
| 5 | C08GA01 | Nifedipine and diuretics |
