Fig. 1From: ORPHAcodes use for the coding of rare diseases: comparison of the accuracy and cross country comparabilityDistribution of ORPHAcodes used and their overlap between country/regions of the study (a); ORPHAcodes used in all the settings described by the preferred term used in the Orphanet nomenclature version 2022 (n = 14) (b)Back to article page