Postal address:
Norwegian Institute of Public Health
WHO Collaborating Centre for Drug Statistics Methodology
Postboks 222 Sk°yen
0213 Oslo

Visiting/delivery address:
Myrens verksted 6H
0473 Oslo

Tel:  +47 21 07 81 60

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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 various preparations used in the treatment of ischemic heart diseases, which cannot be classified in any of the preceding groups.

C01EA Prostaglandins

This group comprises e.g. alprostadil. Specific formulations of alprostadil for treatment of erectile dysfunction are classified in G04BE01.

The DDD for alprostadil equals the content of active substance in one ampoule.

C01EB Other cardiac preparations

This group comprises plain products used in the treatment of ischemic heart diseases, which cannot be classified in the preceding groups.
Adenosine, which is also used as an antiarrhythmic, is classified here. Antiarrhythmics, see C01B.
Combinations of ivabradine and beta blocking agents are classified in C07FX.
Other cardiovascular agents which cannot be classified in ATC group C02-C09 are also classified here.

Products containing indometacin or ibuprofen, which are only used for closing the ductus arteriosus in premature infants, are classified here. Indometacin used as an antiinflammatory agent is classified in M01AB01 or S01BC01.

The DDD for ibuprofen is based on the course dose.

C01EX Other cardiac combination products

This group comprises combined preparations, which cannot be classified in the preceding groups.

Last updated: 2024-01-26