Abstract

OBJECTIVES/GOALS: Patients on chronic opioids face gaps in transitions of care in the time following surgery, increasing the risk for adverse events, specifically high-risk opioid prescribing. The objective of this study is to determine how rates of high-risk prescribing differ between patients with public and private insurance. METHODS/STUDY POPULATION: A retrospective cohort study of 1,435 adult patients with preoperative chronic opioid use on Medicaid or commercial insurance who underwent surgery between November 2017 and February 2021. Patients were identified using the Michigan Surgical Quality Collaborative (MSQC) database, a collection of perioperative data from 70 hospitals across the state of Michigan. Data from the MSQC were merged with Michigan’s prescription drug monitoring program to provide additional information on pre- and postoperative opioid prescribing. Multivariable logistic regression was used to assess high-risk prescribing by the presence of a preoperative usual prescriber and insurance type. RESULTS/ANTICIPATED RESULTS: Overall, 22.7% of patients on private insurance and 23.6% of patients on Medicaid fulfilled criteria for new, postoperative high-risk prescribing. Among criteria for high-risk prescribing, multiple prescribers was the most significant contributor (private insurance: 17.4%, Medicaid: 18.9%). Patients on Medicaid insurance did not have increased odds of new postoperative high-risk prescribing (OR = 1.067, 95% CI: 0.813-1.402). While fewer patients on Medicaid had a preoperative usual prescriber (86.9% and 90.9% respectively, p = 0.015), there was no significant difference between the two insurance types in baseline rates of high-risk prescribing prior to surgery (private insurance: 43.4%, Medicaid: 46.0%, p = 0.352). DISCUSSION/SIGNIFICANCE: While we do not observe disparities in high-risk prescribing between insurance types, rates of high-risk prescribing postoperatively are high across payer types. Further studies to determine the factors driving rates of high-risk opioid prescribing among patients with chronic opioid use are needed to identify areas for future intervention.

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