Medicare local coverage
Medicare coverage for MRI and CT Scans of the Head and Neck (LCD)
One Medicare Administrative Contractor, Noridian Healthcare Solutions, LLC, publishes a local coverage determination (LCD) for MRI and CT Scans of the Head and Neck. The snapshot lists 2 LCD records: 1 active, 1 retired.
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 |
|---|---|---|---|
Noridian Healthcare Solutions, LLCMAC - Part A, MAC - Part B | L35175 | Retired Oct 23, 2025 | Oct 23, 2025 |
Noridian Healthcare Solutions, LLCMAC - Part A, MAC - Part B | L37373 | Active | Oct 14, 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.
- A57204Noridian Healthcare Solutions, LLCUpdated Sep 22, 2026
- A57215Noridian Healthcare Solutions, LLCUpdated Oct 23, 2025
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
- Magnetic Resonance Imaging of the Head and Neck
- Ultrasound, Soft Tissues of Head and Neck
- Breast Imaging Mammography/Breast Echography (Sonography)/Breast MRI/Ductography
- Breast Imaging: Breast Echography (Sonography)/Breast MRI/Ductography
- CT of the Head
- Lumbar MRI
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.