Medicare local coverage
Medicare coverage for Artificial Intelligence Enabled CT Based Quantitative Coronary Topography (AI-QCT)/Coronary Plaque Analysis (AI-CPA) (LCD)
5 Medicare Administrative Contractors publish a local coverage determination (LCD) for Artificial Intelligence Enabled CT Based Quantitative Coronary Topography (AI-QCT)/Coronary Plaque Analysis (AI-CPA). The snapshot lists 5 LCD records: 5 active.
An LCD applies only in the jurisdiction of the contractor that wrote it. Two contractors can cover the same service with different criteria, documentation requirements and covered diagnoses, so check the LCD from the contractor that processes your claims.
LCDs by contractor
| Contractor | LCD | Status | Last updated |
|---|---|---|---|
CGS Administrators, LLCMAC - Part A, MAC - Part B | L39840 | Active | Feb 14, 2025 |
Noridian Healthcare Solutions, LLCMAC - Part A, MAC - Part B | L39881 | Active | Oct 7, 2025 |
Palmetto GBAMAC - Part A, MAC - Part B | L39851 | Active | Oct 7, 2026 |
Wellpoint FederalMAC - Part A, MAC - Part B | L39863 | Active | Jul 14, 2026 |
WPS Insurance CorporationMAC - Part A, MAC - Part B | L39913 | Active | Feb 20, 2025 |
An LCD marked Future has been finalized and is in its notice period; it applies from the effective date shown. LCD IDs link to the record on cms.gov.
Billing and coding articles
The codes live in the billing and coding article that goes with each LCD: the CPT and HCPCS codes the policy applies to, the ICD-10 codes that support medical necessity, and any modifier or documentation rules.
- A59716CGS Administrators, LLCUpdated Jan 5, 2026
- A59721Palmetto GBAUpdated Jan 16, 2026
- A59733Wellpoint FederalUpdated Jul 14, 2026
- A59769Noridian Healthcare Solutions, LLCUpdated Dec 23, 2025
- A59813WPS Insurance CorporationUpdated Jan 22, 2026
CMS also lists 2 response-to-comments articles for this topic, where contractors answer public comments on the proposed LCD: A59929, A59930.
Check claim lines against Medicare coverage
Coverage Check tells you whether a claim's diagnoses support Medicare LCD or NCD coverage for each procedure line, and shows the policy and CMS source behind each answer.
Related LCD topics
- Cardiac Catheterization and Coronary Angiography
- Cardiac Computed Tomography (CCT) and Coronary Computed Tomography Angiography (CCTA)
- Computed Tomography Cerebral Perfusion Analysis (CTP)
- Computerized Corneal Topography
- Coronary Computed Tomography Angiography (CCTA)
- Genomic Sequence Analysis Panels in the Treatment of Hematolymphoid Diseases
All Medicare LCD topics · National coverage determinations · Payer policies by payer
Source: CMS Medicare Coverage Database, via the public CMS Coverage API, snapshot Oct 25, 2026. LCDs change between snapshots; confirm the version in effect for your date of service on cms.gov before billing.