Definition
ATCvet code QI04 is a designation within the Anatomical Therapeutic Chemical classification system for veterinary medicinal products (ATCvet). It identifies a subgroup of immunological preparations—such as vaccines, antisera, and diagnostic reagents—intended for use in a specific category of animal species.
Overview
The ATCvet system, maintained by the World Health Organization (WHO) Collaborating Centre for Drug Statistics Methodology, organizes veterinary medicines based on their therapeutic use and target species. The code consists of three parts:
- Q – denotes veterinary (as opposed to human) medicines.
- I – indicates the anatomical main group “Immunologicals,” encompassing products that stimulate or modify the immune system.
- 04 – specifies a secondary level that groups immunological products intended for a particular class of animals.
Products classified under QI04 are therefore immunological agents formulated and licensed for the animal group represented by the “04” subcategory.
Etymology/Origin
ATC stands for “Anatomical Therapeutic Chemical,” a classification originally devised for human medicines. The suffix “vet” was added to create a parallel system for veterinary drugs. Within this framework, the letter “I” derives from the Latin immunologia (immunology), reflecting the therapeutic focus on immune system modulation. The numeric component “04” follows the hierarchical numbering scheme used by the WHO to differentiate species groups.
Characteristics
- Therapeutic class – Immunologicals (vaccines, antisera, immunomodulators, diagnostic antigens).
- Target species – Assigned to the animal group indicated by the “04” subcategory; the exact species group is defined by WHO documentation but is not specified in publicly accessible sources.
- Regulatory status – Products bearing a QI04 code must meet the regulatory requirements of the jurisdiction in which they are marketed, including safety, efficacy, and quality standards for veterinary immunologicals.
- Formulations – May include live attenuated or inactivated vaccines, recombinant subunit vaccines, monoclonal antibodies, and diagnostic kits.
- Administration routes – Typically administered by injection (intramuscular, subcutaneous), oral, or mucosal routes depending on the product design.
Accurate information about the precise animal species associated with the “04” subcategory is not confirmed in publicly available encyclopedic sources.
Related Topics
- ATCvet classification system
- Veterinary immunology and vaccines
- WHO Collaborating Centre for Drug Statistics Methodology
- Veterinary pharmacology and regulatory affairs
- Species‑specific veterinary medicines (e.g., QI02 for cats, QI03 for dogs)
Note: The ATCvet code QI04 is part of an internationally recognized system for categorizing veterinary immunological products, but detailed species attribution for the “04” subgroup is not presently verified in open reference literature.