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B BLOOD AND BLOOD FORMING ORGANS
B01 ANTITHROMBOTIC AGENTS
B01A ANTITHROMBOTIC AGENTS
B01AC Platelet aggregation inhibitors excl. heparin

Acetylsalicylic acid preparations specifically intended for use as antithrombotic agents are classified in this group. This exception from the basic principle of only one code for each route of administration is made because of the extensive use of acetylsalicylic acid both as an antithrombotic agent and as an analgesic. Whether an acetylsalicylic acid product should be classified in this group or in N02BA, should be decided at the national level based on the main indication of the product.


Lysine acetylsalicylate is classified at the same 5th level as acetylsalicylic acid.

Sulfinpyrazone is classified in M04AB. Alprostadil is classified in C01EA and G04BE.

Combinations of acetylsalicylic acid and statins are classified in C10B.

Combinations of ramipril, simvastatin, and acetylsalicylic acid are classified in C10BX.

The DDDs are based on prophylaxis of thrombosis. The DDDs of acetylsalicylic acid and carbasalate calcium are given as 1 tablet independent of tablet strength. This is due to the great variations between different countries in the dosages/strengths recommended for prophylaxis of thrombosis.
The DDD of iloprost is based on treatment of peripheral vascular disease.

For combinations products, see list of DDDs for combinations, www.whocc.no.


    ATC code  Name  DDD  U Adm.R Note
    B01AC11  iloprost 50 mcg 
    0.15 mg Inhal 

List of abbreviations

Last updated: 2013-12-19