Medicare coverage
Does Medicare Cover Flexible Sigmoidoscopy?
Yes. Medicare Part B (Medical Insurance) covers flexible sigmoidoscopy screenings if you’re eligible.
Yes: Part B
Source: Medicare.gov, Flexible sigmoidoscopy (screening), checked October 23, 2026.
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Coverage at a glance
- Covered?
- Yes
- Which part
- Part B
- What you pay
- You pay nothing if your provider accepts assignment (other costs may apply).
- How often
- Once every 48 or 120 months depending on your risk
- Type
- Preventive service
- Part B deductible 2026
- $283 a year (CMS). Part B premium $202.90 a month.
- Medicare.gov page
- Flexible sigmoidoscopy (screening)
Description
A flexible sigmoidoscopy is an endoscopic procedure that helps find cancer in the colon or rectum early, when treatment is most effective.
From Medicare.gov, checked October 23, 2026.
Who's eligible
You must be 45 or older.
From Medicare.gov, checked October 23, 2026.
Costs
- You pay nothing if your doctor or other health care provider accepts assignment.
- If your health care provider finds and removes a lesion or growth during your flexible sigmoidoscopy screening, you'll pay 15% of the Medicare-approved amount for your doctors' services. In a hospital outpatient setting or ambulatory surgical center, you also pay the facility a 15% coinsurance. In these cases, the Part B deductible doesn’t apply.
From Medicare.gov, checked October 23, 2026.
How often
- For most people 45 or older: 48 months after a previous flexible sigmoidoscopy or computed tomography (CT) colonography
- If you aren’t at high risk for colorectal cancer: 120 months after a previous screening colonoscopy.
From Medicare.gov, checked October 23, 2026.
National Coverage Determinations
- NCD 210.3: Colorectal Cancer Screening Tests
Version 8, effective June 8, 2026
An NCD is the national rule CMS writes for when Medicare pays for an item or service. Local coverage determinations (LCDs) from each Medicare contractor can add detail. Read the NCD text on the CMS site.
Related pages
- Does Medicare Cover Colonoscopy?
Yes
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Yes
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Yes
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Yes
- Does Medicare Cover the Welcome to Medicare Visit?
Yes
- Does Medicare Cover Bone Density Tests?
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- Part D out-of-pocket max 2027
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Questions
Does Medicare Cover Flexible Sigmoidoscopy?
Yes. Medicare Part B (Medical Insurance) covers flexible sigmoidoscopy screenings if you’re eligible.
Which part of Medicare covers Flexible Sigmoidoscopy?
Medicare.gov lists Flexible sigmoidoscopy (screening) under Part B.
How much do you pay for Flexible Sigmoidoscopy with Medicare?
Per Medicare.gov: You pay nothing if your provider accepts assignment (other costs may apply).
Is there a national coverage determination for Flexible Sigmoidoscopy?
Yes. CMS NCD 210.3, Colorectal Cancer Screening Tests, version 8, effective 2026-06-08.
Does a Medicare Advantage plan cover Flexible Sigmoidoscopy?
Medicare Advantage plans must cover what Original Medicare covers and some offer extra benefits. Check the plan's Evidence of Coverage. Rivvi does not recommend plans.
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Does Medicare Cover Flexible Sigmoidoscopy?
Yes. Medicare Part B (Medical Insurance) covers flexible sigmoidoscopy screenings if you’re eligible.
Checked against Medicare.gov 2026-10-23. Source: Rivvi