• Nicola Walsh, Lisa Malone, and Sally Ann Lynch.
• CHI @ Crumlin, Crumlin, Dublin, Ireland. nwalsh4@tcd.ie.
• Ir J Med Sci. 2022 Dec 1; 191 (6): 243924442439-2444.

BackgroundProlonged waiting lists increase costs as medical problems may become more expensive to fix. There are also hidden financial costs. Irish Clinical Genetic services have long out-patient waiting times. We noticed duplicate referrals (patients on the waiting list) being re-referred because the patient still had not been seen. These re-referrals waste consultant and administrative time, pose a clinical risk by distracting clinician time, and are costly to our health service.MethodsWe prospectively collected duplicate referral data over a 3-month period (1 October 2020-31 January 2021) in order to estimate costs. We costed (1) referring consultant and administrative time; (2) stationary, postage, and storage cost; and (3) receiving consultant and administrative time processing these referrals.ResultsWe noted 82/986 (8%) referrals to our service over the trial period were duplicate. The mean length of time between first and duplicate referral was 306 days. In 35/82 (42.68%), a duplicate referral had already been received (e.g. 3rd or more referral for same patient). In total, we received 132 re-referral letters for 82 patients. Duplicate referrals changed triage outcome in 7/82 (8.54%) cases.ConclusionNational Treatment Purchase Fund data suggests that 271,560 patients are waiting > 12 months for both in- and out-patient public appointments on 1 January 2021. Assuming duplicate referrals are occurring across the Irish health system with equal frequency after 12 months of waiting (8% of total appointments), then we estimate a conservative cost of 757,392 € per quarter to the health service and an annual cost to the HSE of 3,029,568 €.© 2021. The Author(s), under exclusive licence to Royal Academy of Medicine in Ireland.

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