| Y43.0 | Antiallergic and antiemetic drugs 
 
Excludes:
phenothiazine-based neuroleptics ( Y49.3 )
 | 
	| Y43.1 | Antineoplastic antimetabolites Cytarabine
 | 
	| Y43.2 | Antineoplastic natural products 
 | 
	| Y43.3 | Other antineoplastic drugs Antineoplastic antibiotics
 
Excludes:
tamoxifen ( Y42.6 )
 | 
	| Y43.4 | Immunosuppressive agents 
 | 
	| Y43.5 | Acidifying and alkalizing agents 
 | 
	| Y43.6 | Enzymes, not elsewhere classified 
 | 
	| Y43.8 | Other primarily systemic agents, not elsewhere classified Heavy-metal antagonists
 | 
	| Y43.9 | Primarily systemic agent, unspecified 
 |