The Danish Health Data Authority (Sundheddatastyrelsen) quarterly updates the Health Care Classification System (Sundhedsvæsenets Klassifikations System, SKS). The updated version was published in mid-March 2024 to come into force on April 1, 2024. Nine new medical procedure codes, five new codes for diagnostic investigations, and ten new additional codes concerning cardiovascular, ENT, interventional radiology, pulmonary, endoscopy, pathology, and surgical procedures were introduced.