Last week, European Commission and the Ministry of Health from Germany, with the support of Microsoft, organized a two days workshop on semantic interoperability in EHRs. The initiative was triggered by the work performed by 12 countries in the project epSOS - the large scale pilot conceiving and testing a EU shared EHR and ePrescribing solution. The workshop involved experts in terminologies from Europe, United States and from international organizations such as WHO, European Commission and International Health Terminology Standard Development Organization (IHTSDO).