• C02A Antiadrenergic agents, centrally acting 25 medications
• C02B Antiadrenergic agents, ganglion-blocking 1 medications
• C02C Antiadrenergic agents, peripherally acting 16 medications
• C02K Other antihypertensives 12 medications
• C02L Antihypertensives and diuretics in combination 1 medications