ATC code H03

ATC codes
H Systemic hormonal preparations, excluding sex hormones and insulins
H01 Pituitary and hypothalamic hormones and analogues
H02 Corticosteroids for systemic use
H03 Thyroid therapy
H04 Pancreatic hormones
H05 Calcium homeostasis

ATC code H03 Thyroid therapy is a therapeutic subgroup of the Anatomical Therapeutic Chemical Classification System, a system of alphanumeric codes developed by the WHO for the classification of drugs and other medical products. Subgroup H03 is part of the anatomical group H Systemic hormonal preparations, excluding sex hormones and insulins.

Codes for veterinary use (ATCvet codes) can be created by placing the letter Q in front of the human ATC code: for example, QH03.

National issues of the ATC classification may include additional codes not present in this list, which follows the WHO version.