Roche Diagnostics Medical Device Company Intelligence Report To Know More... Roche Diagnostics is a leading player in in vitro diagnostics (IVD) – tests performed in a laboratory or at the point-of-care (PoC) on blood and other samples from patients – with a 20% share of the global market. It is also a leader in diabetes management. Roche Diagnostics Medical Device Company Intelligence Report In 2011, Roche Diagnostics was responsible for 22.9% of the Roche Group’s revenue.