ACQUISITION OF MEDICAID AT THE TIME OF INJURY: AN OPPORTUNITY FOR SUSTAINABLE INSURANCE COVERAGE.

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Abstract

INTRODUCTION: Uninsured trauma patients are at higher risk of mortality, limited access to postdischarge resources and catastrophic health expenditure. Hospital Presumptive Eligibility (HPE), enacted with the 2014 Affordable Care Act, enables uninsured patients to be screened and acquired emergency Medicaid at the time of hospitalization. We sought to identify factors associated with successful acquisition of HPE insurance at the time of injury, hypothesizing that patients with higher injury severity (ISS>15) would be more likely to be approved for HPE.METHODS: We identified Medicaid and uninsured patients aged 18-64 years old with a primary trauma diagnosis (ICD-10) in a large level I trauma center between 2015-2019. We combined trauma registry data with review of electronic medical records, to determine our primary outcome, HPE acquisition. Descriptive and multivariate analyses were performed.RESULTS: Among 2,320 trauma patients, 1,374 (59%) were already enrolled in Medicaid at the time of hospitalization. Among those uninsured at arrival, 386 (40.8%) acquired HPE before discharge, and 560 (59.2%) remained uninsured. HPE patients had higher injury severity score (ISS > 15: 14.8% vs. 5.7%, p < .001), longer median length of stay (LOS) (2 [IQR: 0,5] vs. 0 [0,1] days, p < .001), were more frequently admitted as inpatients (64.5% vs. 33.6%, p < .001) and discharged to post-acute services (11.9% vs. 0.9%, p < .001). Patient, hospital and policy factors contributed to HPE non-approval. In adjusted analyses, Hispanic ethnicity (vs. non-Hispanic whites: aOR 1.58, p = .02) and increasing ISS (p = .001) were associated with increased likelihood of HPE approval.CONCLUSION: The time of hospitalization due to injury is an underutilized opportunity for intervention, whereby uninsured patients can acquire sustainable insurance coverage. Opportunities to increase HPE acquisition merit further study nationally across trauma centers. As administrative and trauma registries do not capture information to compare HPE and traditional Medicaid patients, prospective insurance data collection would help to identify targets for intervention.LEVEL OF EVIDENCE: Epidemiologic, level III.

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