|V03 All other therapeutic products|
|V04 Diagnostic agents|
|V06 General nutrients|
|V07 All other non-therapeutic products|
|V08 Contrast media|
|V09 Diagnostic radiopharmaceuticals|
|V10 Therapeutic radiopharmaceuticals|
|V20 Surgical dressings|
ATC code V04 Diagnostic agents 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 V04 is part of the anatomical group V Various.
Codes for veterinary use (ATCvet codes) can be created by placing the letter Q in front of the human ATC code: for example, QV04. ATCvet codes without corresponding human ATC codes are cited with the leading Q in the following list.
National issues of the ATC classification may include additional codes not present in this list, which follows the WHO version.