ATC code D03 Preparations for treatment of wounds and ulcers 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 D03 is part of the anatomical group D Dermatologicals.

Codes for veterinary use (ATCvet codes) can be created by placing the letter Q in front of the human ATC code: for example, QD03. ATCvet codes without corresponding human ATC codes are cited with the leading Q in the following list. National versions of the ATC classification may include additional codes not present in this list, which follows the WHO version.

D03A Cicatrizants

D03AA Cod-liver oil ointments

D03AX Other cicatrizants

D03AX01 Cadexomer iodine

D03AX02 Dextranomer

D03AX03 Dexpanthenol

D03AX04 Calcium pantothenate

D03AX05 Hyaluronic acid

D03AX06 Becaplermin

D03AX09 Crilanomer

D03AX10 Enoxolone

D03AX11 Sodium chlorite (tetrachlorodecaoxide)

D03AX12 Trolamine

D03AX13 Betulae cortex

D03AX14 Centella asiatica herba, incl. combinations

D03AX15 Trafermin

D03AX16 Beremagene geperpavec

D03AX17 Diperoxochloric acid

QD03AX90 Ketanserin

D03B Enzymes

D03BA Proteolytic enzymes

D03BA01 Trypsin

D03BA02 Clostridiopeptidase

D03BA03 Bromelains

D03BA52 Collagenase, combinations