Evaluation of the Safety and Effectiveness of the Dexcom Continuous Glucose Monitoring (CGM) System

Inclusion Criteria:

• Ages 2 or older
• Diagnosis of Type 1 diabetes or Type 2 diabetes
• Willing to wear the required number of Systems for the total duration of study wear
• Willing to participate in Clinic Session(s) during study wear

Exclusion Criteria:

• Presence of extensive skin changes/diseases at sensor wear site(s) that precludewearing the sensor(s) on skin
• Known allergy to medical-grade adhesives
• Pregnancy
• Hematocrit outside specification
• ≥ 18 years of age:
• Male: 36.0%;
• Female: 33.0%;
• 13-17 years of age: 35.0%;
• 7 years - 12 years of age: 32.0%;
• End stage renal disease and currently managed by dialysis or anticipating initiatingdialysis during the study wear period
• Required or scheduled to have a Magnetic Resonance Imaging (MRI) scan, ComputedTomography (CT) scan, or diathermy during the study wear period