Does clinical validation and the implementation of new models of outpatient service delivery have the potential to reduce waiting lists? A pilot study in Letterkenny University Hospital.

Introduction: The traditional outpatient paradigm of seeing patients prior to diagnostic tests and treatment is unsustainable without additional funding. New models of service delivery such as "one-stop clinics", direct access to diagnostics and advanced nurse practitioner (ANP)-led clinics have the potential to improve the efficiency of existing services.

Methods: To determine the most effective changes to improve service provision, the reasons for encounter (RFE) to a urology clinic were assessed using the International Classification Primary Care.