This group comprises substances used for the treatment of cardiovascular conditions.
Drugs used for the treatment of hypertension are classified in C02 - Antihypertensives, C03 - Diuretics, C07 - Beta blocking agents, C08 - Calcium channel blockers, and C09 - Agents acting on the renin-angiotensin system. For the classification of combination products of antihypertensives from different ATC groups, the following ranking should be used, from higher to lower precedence: C09, C07, C08, and C03.

This group comprises agents for local use, such as suppositories, ointments etc. Preparations used for treatment of perineal trauma are classified here.

Agents which cannot be classified in the preceding groups are classified in this group, e.g. bismuth/zinc oxide-preparations.