ATC code R

ATC code R Respiratory system is a section 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.^[1][2][3][4]

Codes for veterinary use (ATCvet codes) can be created by placing the letter Q in front of the human ATC code: for example, QR.^[5]
National issues of the ATC classification may include additional codes not present in this list, which follows the WHO version.

References

1. "ATC (Anatomical Therapeutic Chemical Classification System) – Synopsis". National Institutes of Health. Retrieved 1 February 2020.
2. World Health Organization. "Anatomical Therapeutic Chemical (ATC) Classification". World Health Organization. Retrieved 3 January 2022.
3. "Structure and principles". WHO Collaborating Centre for Drug Statistics Methodology. 15 February 2018. Retrieved 3 January 2022.
4. "ATC/DDD Index 2022: code R". WHO Collaborating Centre for Drug Statistics Methodology.
5. "ATCvet Index 2022: code QR". WHO Collaborating Centre for Drug Statistics Methodology.