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N NERVOUS SYSTEM
N01 ANESTHETICS

No DDDs have been established in this group because the doses used vary substantially.


N01A ANESTHETICS, GENERAL

This group comprises agents which produce general anesthesia, surgical analgesia or neuroleptanalgesia. See also M03A - Peripherally acting muscle relaxants.

Benzodiazepine derivatives are classified in N05BA or N05CD.


N01AH Opioid anesthetics

Opioid anesthetics in combination with other anesthetics are classified in this group at separate 5th levels using the corresponding 50-series.

Transdermal, nasal and sublingual formulations of fentanyl are classified in N02AB.


List of abbreviations

Last updated: 2016-12-20