In a method for producing medical reference image data of a patient, medical image data are produced from the patient in order to present a medical diagnosis. In at least one embodiment of the method, verification data correlated with the medical image data are collected from the patient to verify the diagnosis and the diagnosis verified with the aid of the verification data is stored inseparably together with the image data as the medical reference image data. In medical reference image data of a patient, medical image data produced from the patient are present to present a medical diagnosis and verification data collected from the patient and correlated with the medical image data are present to verify the diagnosis. In at least one embodiment, the diagnosis verified with the aid of the verification data is stored inseparably together with the image data as the medical reference image data.