| ATC Codes | Pharmacological Classification | Pharmacological Classification/DDD |
|---|---|---|
| N | NERVOUS SYSTEM | 神经系统 |
| N07 | OTHER NERVOUS SYSTEM DRUGS | 其它神经系统用药 |
| N07B | DRUGS USED IN ADDICTIVE DISORDERS | 用于病态成瘾的药物 |
| N07BC | Drugs used in opioid dependence | 用于阿片依赖的药物 |
| N07BC02 | methadone | 美沙酮 25 mg 口服 |
| N07BC02 | methadone | 美沙酮 25 mg 注射 |