Existen certain categories of data which, because of their characteristics, require a stricter regime, which sometimes need to be specified. This work emphasises the need to rethink which genetic data and health-related information should be considered sensitive and propose new criteria for its delimitation. Clarification of the sphere of protection of these types of data is required in those legal systems where additional limitations are laid down for the categories of data involved in this article. Situation enabled by the General Data Protection Regulation of the European Union. There are certain categories of data which, due to their characteristics, require a strict regime, regulation which, at times, needs to be specified. This paper facts on the need to reconsider which genetic data and Health-related information should be considered as sensitive and to propose new criteria for their delimitation. The clarification of the scope of protection of these types of data is urgently needed in such legal systems in which additional limitations are established for the categories of data covered by this article. Situation that the European Union’s General Data Protection Regulation enables.