Judgment of the Court (Fourth Chamber) of 4 September 2025.#AF v Guvernul României and Others.#Reference for a preliminary ruling – Social security – Health insurance – Article 56 TFEU – Freedom to provide services – Regulation (EC) No 883/2004 – Article 20(1) and (2) – Medical treatment received in a Member State other than the insured person’s Member State of residence – Directive 2011/24/EU – Article 7(7) – Assumption of the costs of treatment incurred by the insured person – Reimbursement – National legislation making reimbursement of those costs conditional upon the completion of a medical assessment, carried out exclusively by a health professional belonging to the public health insurance system of the insured person’s Member State of residence, which has given rise to the issuing, by that health professional, of a document authorising the hospitalisation of that insured person – Significant limitation of the reimbursement of the costs of cross-border healthcare.#Case C-489/23.