What happened
Palmetto GBA, a Medicare administrative contractor, issued a local coverage determination for AI-enabled coronary plaque analysis, effective 24 November 2024. The software applies artificial intelligence to coronary CT angiography to measure narrowing and the amount and type of plaque. The contractor covers it as reasonable and necessary for acute or stable chest pain with no known coronary artery disease, within set risk categories. In its rationale, the contractor cites the potential for better diagnosis and the changes in management seen in the DECODE and CERTAIN studies. In the CLARIFY study of 232 patients, Cleerly's readings matched the consensus of three expert readers with 99.7% accuracy for stenosis above 70%. In the CERTAIN crossover study, physicians changed management plans for 57.1% of 750 patients after seeing the software's results. The contractor notes that CERTAIN was not designed to compare this approach with standard care. It judged that benefit had not been established for high-grade stenosis or known obstructive disease, and it does not cover screening or surveillance.
Sources
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Assessment report, by authors with no tie to the system.
Based on the potential improved diagnostic capabilities and role for change in management based on the study’s results, the use of AI-QCT/AI-CPA is reasonable for stable chest pain with no known CAD.
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Assessment report, by authors with no tie to the system.
Wellpoint Federal (formerly National Government Services), Medicare Administrative Contractor for CMS. LCD L39863: Artificial Intelligence Enabled CT Based Quantitative Coronary Topography (AI-QCT)/Coronary Plaque Analysis (AI-CPA). Analysis of Evidence (Rationale for Determination)
Based on the potential improved diagnostic capabilities and role for change in management based on the study's results the use of AI-QTC/AI-CPA is reasonable for stable chest pain with no known CAD.
Details
AI system
- Workflow
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The software ran only after the CT angiography had been completed and interpreted. Physicians received the software's measurements of stenosis and plaque alongside the CT angiography report.
Follow-up
- Conditions for replication
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The software is cleared or approved by the FDA. The patient has chest pain with no known coronary artery disease and falls within the covered risk or CAD-RADS categories.
Entry details
- Sector
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Healthcare (cardiology).
- Purpose
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Cleerly and HeartFlow built AI-QCT and AI-CPA software to measure coronary narrowing and the amount and type of plaque from coronary CT angiography.
Not yet checked: model, release, provider, role, configuration, inputs and outputs, autonomy, human oversight, AI contribution, beneficiaries, reach, distribution and access, duration, every measurement question, every money question, ownership and control, dependencies, cross-border connections, geopolitical implications, replication attempts, availability, institutional decision, grounds, action and result, success criterion, every evidence question, observed or intended, alternative assessments, related entries, other identifiers, category mappings.
Cite this record
Peter H. Vartanian. (2026). Medicare contractor covers AI-QCT plaque analysis for chest pain (AIBD-0745). Artificial Intelligence Benefits Database, edition of 31 October 2026. https://petervartanian.xyz/aibd/records/AIBD-0745.html (archived at https://doi.org/10.7910/DVN/AADSII, version 4.0)