| Y44.0 | Iron preparations and other anti-hypochromic-anaemia preparations 
 | 
	| Y44.1 | Vitamin B 12 , folic acid and other anti-megaloblastic-anaemia preparations 
 | 
	| Y44.2 | Anticoagulants 
 | 
	| Y44.3 | Anticoagulant antagonists, vitamin K and other coagulants 
 | 
	| Y44.4 | Antithrombotic drugs [platelet-aggregation inhibitors] 
 
Excludes:
acetylsalicylic acid ( Y45.1 ) 
dipyridamole ( Y52.3 )
 | 
	| Y44.5 | Thrombolytic drugs 
 | 
	| Y44.6 | Natural blood and blood products 
 
Excludes:
immunoglobulin ( Y59.3 )
 | 
	| Y44.7 | Plasma substitutes 
 | 
	| Y44.9 | Other and unspecified agents affecting blood constituents 
 |