Medicare Head and Neck Scan Rates Rose 206% Since 2017
A new study found that use of specialized CT angiography for Medicare beneficiaries increased significantly over seven years.
Updated on Sept. 21, 2026 in Stroke

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Between 2017 and 2024, the rate of head and neck CT angiography services performed on Medicare beneficiaries grew by 206%. Researchers at Yale University analyzed over 8.7 million claims to track this surge in utilization among U.S. patients.
Why it matters
This rapid growth highlights a significant shift in diagnostic imaging frequency for older adults. Understanding these trends helps patients and physicians discuss the necessity of high-resolution scanning in routine care.
This retrospective analysis of 8,712,757 services billed by 19,143 physicians assessed imaging trends over seven years. While neuroradiologists performed more scans individually, their overall share of total interpretations remained stable at 36.3% by 2024.
The players
Yale University
An academic institution that leads research into public health trends and clinical imaging standards.
The details
Researchers utilized Medicare Part B billing codes to track the frequency of head and neck CT angiography, a process that uses contrast dye and X-rays to visualize blood vessels. The study categorized providers by specialty to observe how the workload shifted across different medical fields as total scan volume increased. Statistical validation included Wilcoxon signed-rank testing to ensure the reported growth in utilization and provider volume was robust across the national sample.
Timeline
2017 marked the beginning of the seven-year analysis period for Medicare claims.
2024 served as the concluding year for the study's review of imaging services.
Health Landscape
This study tracks a dramatic expansion in the use of advanced imaging within the national Medicare system. The findings reflect a broader trend of increasing diagnostic intensity that continues to outpace earlier medical practice benchmarks.
If you are scheduled for a CT angiography, it is worth discussing with your doctor why this specific scan is needed and what the results might change about your care plan. Always ask if alternative imaging or monitoring could provide the same necessary information for your condition.
The takeaway
The sharp rise in CT angiography suggests that high-tech imaging is becoming a more common feature of Medicare-covered diagnostic care. Patients should feel empowered to ask their physician about the clinical benefit of any recommended high-resolution imaging procedure.
Further reading
For more context on how diagnostic technology shapes patient care, explore the Stroke archive.
Source note: This article includes information reported by InsuranceNewsNet.
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