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Same-Day Sinus and Brain CT Imaging in the Medicare Population: Are Practice Patterns Changing in Association with Medicare Policy Initiatives?

Same-Day Sinus and Brain CT Imaging in the Medicare Population: Are Practice Patterns Changing in... BACKGROUND AND PURPOSE: Monitoring the frequency of same-day sinus and brain CT (Outpatient Measure 14, “OP-14”) is part of a recent large Centers for Medicare and Medicaid Services hospital outpatient quality initiative to improve imaging efficiency. This study investigates patient-level claims data in the Medicare population focusing on where same-day sinus and brain CT imaging is performed and how the frequency of same-day studies changed with time before and during OP-14 measure program implementation. MATERIALS AND METHODS: Research Identifiable Files were used to identify all sinus and brain CT examinations from 2004 through 2012 for a 5% random patient sample of Medicare fee-for-service beneficiaries. Overall and site of service use rates were calculated for same- and non-same-day examinations. Changes were mapped to policy initiative timetables. RESULTS: The number of same-day sinus and brain CT studies from 2004 to 2012 increased 67% from 1.85 (95% CI, 1.78–1.91) per 1000 Medicare beneficiaries in 2004 to 3.08 (95% CI, 3.00–3.15) in 2012. The biggest driver of increased same-day studies was the emergency department setting, from 0.56 (95% CI, 0.53–0.60) per 1000 to 1.78 (95% CI, 1.72–1.84; +215.7%). Overall use of brain CT from 146.0 (95% CI, 145.1–146.9) per 1000 to 176.3 (95% CI, 175.4–177.2; +21%) and sinus CT from 12.6 (95% CI, 12.4–12.8) per 1000 to 15.4 (95% CI, 15.2–15.6; +22%) increased until 2009 and remained stable through 2012. CONCLUSIONS: Previously increasing same-day sinus and brain CT in Medicare beneficiaries plateaued in 2009, coinciding with the implementation of targeted measures by the Centers for Medicare and Medicaid Services. Same-day imaging continues to increase in the emergency department setting. ABBREVIATIONS: CMS Centers for Medicare and Medicaid Services ED emergency department ICD-9 International Classification of Diseases, Ninth Revision OP-14 Outpatient Measure 14 (simultaneous use of brain CT and sinus CT) of the Hospital Outpatient Quality Reporting Program RIF Research Identifiable Files http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png American Journal of Neuroradiology American Journal of Neuroradiology

Same-Day Sinus and Brain CT Imaging in the Medicare Population: Are Practice Patterns Changing in Association with Medicare Policy Initiatives?

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Publisher
American Journal of Neuroradiology
Copyright
Copyright © 2016 by the American Society of Neuroradiology.
ISSN
0195-6108
eISSN
1936-959X
DOI
10.3174/ajnr.A4670
pmid
26822731
Publisher site
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Abstract

BACKGROUND AND PURPOSE: Monitoring the frequency of same-day sinus and brain CT (Outpatient Measure 14, “OP-14”) is part of a recent large Centers for Medicare and Medicaid Services hospital outpatient quality initiative to improve imaging efficiency. This study investigates patient-level claims data in the Medicare population focusing on where same-day sinus and brain CT imaging is performed and how the frequency of same-day studies changed with time before and during OP-14 measure program implementation. MATERIALS AND METHODS: Research Identifiable Files were used to identify all sinus and brain CT examinations from 2004 through 2012 for a 5% random patient sample of Medicare fee-for-service beneficiaries. Overall and site of service use rates were calculated for same- and non-same-day examinations. Changes were mapped to policy initiative timetables. RESULTS: The number of same-day sinus and brain CT studies from 2004 to 2012 increased 67% from 1.85 (95% CI, 1.78–1.91) per 1000 Medicare beneficiaries in 2004 to 3.08 (95% CI, 3.00–3.15) in 2012. The biggest driver of increased same-day studies was the emergency department setting, from 0.56 (95% CI, 0.53–0.60) per 1000 to 1.78 (95% CI, 1.72–1.84; +215.7%). Overall use of brain CT from 146.0 (95% CI, 145.1–146.9) per 1000 to 176.3 (95% CI, 175.4–177.2; +21%) and sinus CT from 12.6 (95% CI, 12.4–12.8) per 1000 to 15.4 (95% CI, 15.2–15.6; +22%) increased until 2009 and remained stable through 2012. CONCLUSIONS: Previously increasing same-day sinus and brain CT in Medicare beneficiaries plateaued in 2009, coinciding with the implementation of targeted measures by the Centers for Medicare and Medicaid Services. Same-day imaging continues to increase in the emergency department setting. ABBREVIATIONS: CMS Centers for Medicare and Medicaid Services ED emergency department ICD-9 International Classification of Diseases, Ninth Revision OP-14 Outpatient Measure 14 (simultaneous use of brain CT and sinus CT) of the Hospital Outpatient Quality Reporting Program RIF Research Identifiable Files

Journal

American Journal of Neuroradiology – American Journal of Neuroradiology

Published: Jun 1, 2016

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