The Combined Nomenclature (CN), v1:2022
9018 19: Electro-diagnostic apparatus, incl. apparatus for functional exploratory examination or for checking physiological parameters (excl. electro-cardiographs, ultrasonic scanning apparatus, magnetic resonance imaging apparatus and scintigraphic apparatus)
https://www.dst.dk/en/Statistik/dokumentation/nomenklaturer/kn?id=a2a52813-81e3-4448-b7d4-12b366c09580