| ATC Codes | Pharmacological Classification | Pharmacological Classification/DDD |
|---|---|---|
| C | CARDIOVASCULAR SYSTEM | 心血管系统 |
| C03 | DIURETICS | 利尿药 |
| C03A | LOW-CEILING DIURETICS, THIAZIDES | 低限量利尿药,噻嗪类 |
| C03B | LOW-CEILING DIURETICS, EXCL. THIAZIDES | 非噻嗪类低限量利尿药 |
| C03C | HIGH-CEILING DIURETICS | 高限量利尿药 |
| C03D | POTASSIUM-SPARING AGENTS | 保钾药 |
| C03E | DIURETICS AND POTASSIUM-SPARING AGENTS IN COMBINATION | 利尿药和保钾药的复方 |
| C03X | OTHER DIURETICS | 其它利尿药 |