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Y50 — Central nervous system stimulants, not elsewhere classified

    Descendants
    Code Description
    Y500 Analeptics
    Y501 Opioid receptor antagonists
    Y502 Methylxanthines, not elsewhere classified
    Y508 Other central nervous system stimulants
    Y509 Central nervous system stimulant, unspecified

    Heading of aggregated item CIM-10 (en) to which it belongs

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