International Federation of Biomedical Laboratory Science established BLS Day in 1996 at the World Congress in Oslo, Norway to promote and celebrate the key role of Biomedical Laboratory personnel in diagnostic and preventive health care systems.

Promote and celebrate
The purpose with the BLS Day is to increase the awareness of the role that Biomedical Laboratory Scientists have in providing health care. Biomedical Laboratory Scientists play a key role in diagnosis, quality development and assurance, treatment, research and development in the modern medical sciences.
The theme for the day is selected by the IFBLS Board of Directors and is related to health issues and support the UN and WHO Sustainable Development Goals (SDGs). The themes is used for two years.

The theme for 2018 is:
Antibiotic Resistance: Biomedical Laboratory Scientists respond to the global threat