| Y41.0 | Sulfonamides 
 | 
	| Y41.1 | Antimycobacterial drugs 
 
Excludes:
rifamycins ( Y40.6 ) 
streptomycin ( Y40.5 )
 | 
	| Y41.2 | Antimalarials and drugs acting on other blood protozoa 
 
Excludes:
hydroxyquinoline derivatives ( Y41.8 )
 | 
	| Y41.3 | Other antiprotozoal drugs 
 | 
	| Y41.4 | Anthelminthics 
 | 
	| Y41.5 | Antiviral drugs 
 
Excludes:
amantadine ( Y46.7 ) 
cytarabine ( Y43.1 ) 
 | 
	| Y41.8 | Other specified systemic anti-infectives and antiparasitics Hydroxyquinoline derivatives
 
Excludes:
antimalarial drugs ( Y41.2 )
 | 
	| Y41.9 | Systemic anti-infective and antiparasitic, unspecified 
 |