Y50 — Central nervous system stimulants, not elsewhere classified

Descendentes
Código	Descripción
Y500	Analeptics
Y501	Opioid receptor antagonists
Y502	Methylxanthines, not elsewhere classified
Y508	Other central nervous system stimulants
Y509	Central nervous system stimulant, unspecified

Rúbrica de la agregación CIM-10 (en) a la cual pertenece

Y40-Y59 Drugs, medicaments and biological substances causing adverse effects in therapeutic use