Stepwise improvement in hepatitis C virus (HCV) screening rates with each subsequent quality improvement intervention. Stepwise improvement in hepatitis C virus (HCV) screening rates with each subsequent quality improvement intervention. A key to interventions is offered corresponding to the cycles of intervention. EMR, electronic medical record; PDSA, plan, do, study, act. Jane Trinh, and Nicholas Turner BMJ Open Qual 2018;7:e000108 © Published by the BMJ Publishing Group Limited. For permission to use (where not already granted under a licence) please go to http://www.bmj.com/company/products-services/rights-and-licensing/