LabCoP’s first Diagnostic Network Optimisation Sub-Community of Practice (DNO Sub-CoP) ECHO session was held in September 2022. The DNO Sub-CoP is a collaboration between ASLM and FIND, that aims to improve the uptake and quality of DNO processes in LabCoP-participating countries. This joint session was moderated by Dr Marguerite Massinga Loembe, Senior Laboratory Adviser and DNO Sub-CoP Lead at ASLM, and Juhi Gautam, Access Officer, Global Diagnostic Network Optimization Team at FIND. They provided a brief overview and updates on DNO, and introduced the DNO Sub-CoP objectives and processes in relation to the wider ASLM LabCoP community. Please follow the links here to view the recorded ECHO session and download the presentation slides.