Medicare local coverage
Medicare coverage for Computerized Axial Tomography (CT), Thorax (LCD)
One Medicare Administrative Contractor, Palmetto GBA, publishes a local coverage determination (LCD) for Computerized Axial Tomography (CT), Thorax. The snapshot lists 1 LCD record: 1 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 |
|---|---|---|---|
Palmetto GBAMAC - Part A, MAC - Part B | L33459 | Active | Jun 3, 2026 |
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.
- A56580Palmetto GBAUpdated Aug 17, 2026
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 Computed Tomography (CCT) and Coronary Computed Tomography Angiography (CCTA)
- Cardiac Computed Tomography & Angiography (CCTA)
- Computed Tomography Cerebral Perfusion Analysis (CTP)
- Computerized Corneal Topography
- Coronary Computed Tomography Angiography (CCTA)
- Positron Emission Tomography (PET) Scan for Inflammation and Infection
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.