Does Medicare cover a PET scan?
Yes, for many conditions. Medicare covers PET scans for a range of oncologic (cancer) conditions and certain other medically necessary indications.
Reviewed by Brad S. · Licensed Florida Health Insurance Agent
Updated June 2026. Written and reviewed by a licensed agent at United Liberty Insurance Agency LLC to ensure accuracy. We cite official sources (HealthCare.gov, CMS, KFF) wherever possible.
What you need to know
- Covered for many cancer diagnosis, staging, and monitoring situations when medically necessary.
- Coverage for non-oncologic uses depends on the specific clinical indication.
- Standard Part B cost-sharing applies; prior authorization may be required.
The official rule
This coverage is governed by Medicare National Coverage Determination NCD 220.6.17 — “Positron Emission Tomography (FDG) for Oncologic Conditions” (last updated Apr 2026). For the official details and any recent changes, see the Medicare coverage tool at Medicare.gov.
What this means for your wallet
Imaging coinsurance can be significant — Medigap or a Medicare Advantage plan with capped imaging copays can protect you.
Find a Florida plan that covers what you need
Tell us what matters to you and a licensed Florida agent will compare plans that fit — free, no pressure.
Related coverage questions
Source: CMS Medicare Coverage Database (National Coverage Determinations) and Medicare.gov. Coverage rules can change and may vary by situation; this page is educational and not a guarantee of coverage. For official determinations, visit Medicare.gov or call 1-800-MEDICARE.