FAQ Category: colonoscopy screening guidelines

Sometimes, doctors may repeat the colonoscopy sooner because poor prep can hide polyps.

In many countries, including the U.S., colonoscopy is covered as a preventive service. Always confirm with your provider.

Skipping it increases your risk of undetected cancer. Other tests exist, but abnormal results will still lead to colonoscopy.

If no polyps are found, every 10 years. With polyps, your doctor may recommend 3–5 year intervals.

For average-risk adults, the first colonoscopy is recommended at age 45. High-risk individuals may need it earlier—sometimes even in their 20s or 30s.