Inden omstilling til Insuman Basal anbefales det at foretage en intradermal hudtest på de patienter, der er allergiske over for animalsk insulin, da disse patienter kan udvikle immunologiske krydsreaktioner.
In patients with an allergy to animal insulin intradermal skin testing is recommended prior to a transfer to Insuman Basal, since they may experience immunological cross-reactions.