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 | M | Musculo-skeletal system | |
| 2 | M09 | Other drugs for disorders of the musculo-skeletal system | |
| 3 | M09A | Other drugs for disorders of the musculo-skeletal system | |
| 4 | M09AB | Enzymes | |
| 5 | M09AB01 | Chymopapain |
