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03/01/26

Practice pattern changes after adoption of diagnostic AI tool used in conjunction with cardiac imaging.

Zink, Anna; Chernew, Michael E; Neprash, Hannah T. Health Aff (Millwood).

Collection Topics
AI and Diagnosis Big Three Conditions Business Case for Excellence Tests, Screening, and Laboratory Processes
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Summary

Reimbursement policies can influence use of diagnostic tests. This study looks at clinician adoption of Medicare-reimbursed CT fractional flow reserve (FFRCT) scans for coronary artery disease. After FFRCT adoption, CT scan orders increased while invasive heart tests decreased, raising per-patient diagnostic costs. The technology did not enable earlier diagnosis but was linked to more patients seen, more visits, and fewer heart-related complications.

Read the paper
Zink A, Chernew ME, Neprash HT. Practice pattern changes after adoption of diagnostic AI tool used in conjunction with cardiac imaging. Health Aff (Millwood). 2026;45(3):238-245.