The Combined Nomenclature (CN), v1:2022
3004 31: Medicaments containing insulin but not antibiotics, put up in measured doses "incl. those for transdermal administration" or in forms or packings for retail sale
https://www.dst.dk/en/Statistik/dokumentation/nomenklaturer/kn?id=a2a52813-81e3-4448-b7d4-12b366c09580