Accuracy of Continuous Glucose Monitors During the Perioperative Period in Youth With Type 1 Diabetes

This study is checking whether continuous glucose monitors (small sensors worn on the body) give accurate blood sugar readings in young people with type 1 diabetes who are having surgery or another medical procedure. Accurate readings during surgery are important for safe care. **You may be eligible if...** - You are between 2 and 26 years old - You have type 1 diabetes and are on insulin - You are already wearing a continuous glucose monitor - You are scheduled for surgery or a procedure that requires close blood sugar monitoring **You may NOT be eligible if...** - You do not already wear a continuous glucose monitor - You or your parent/guardian are unable to provide consent Talk to your doctor to see if this trial is right for you.