Many studies show that health care costs are concentrated among a small percentage of individuals with diverse needs. This new study defines highcost claims as claims in the top 5 percent of medical payments at 36 months of injury and identifies key factors that likely contribute to a higher or lower probability of claims becoming highcost claims. Among the key findings, it highlights the importance of monitoring claims that exhibit patterns of late occurring resourceintensive care to keep treatment on track as planned and prevent unnecessary delays in recovery. Learn more at https://www.wcrinet.org/reports/facto....