|N Nervous system|
|N04 Anti-parkinson drugs|
|N07 Other nervous system drugs|
|QN51 Products for animal euthanasia|
ATC code N03 Antiepileptics is a therapeutic subgroup of the Anatomical Therapeutic Chemical Classification System, a system of alphanumeric codes developed by the World Health Organization (WHO) for the classification of drugs and other medical products. Subgroup N03 is part of the anatomical group N Nervous system.
Codes for veterinary use (ATCvet codes) can be created by placing the letter Q in front of the human ATC code: for example, QN03.
National issues of the ATC classification may include additional codes not present in this list, which follows the WHO version.