Accuracy Characterization Study

Inclusion criteria

• Subject must be at least 18 years of age.
• Subject must have type 1 or type 2 diabetes for at least 2 years prior to enrollment.
• Subject must require insulin therapy through an insulin pump and/or multiple daily insulin injections (at least 3 injections daily) for at least 6 months prior to enrollment.
• Subject must be able to read and understand English.
• In the Investigator's opinion, the Subject must be able to follow the instructions provided to him/her by the study site and perform all study tasks as specified by the protocol.
• Subject must be available to participate in all study visits up to a period of 14 days.
• Subject must be willing and able to provide written signed and dated informed consent.

Exclusion criteria

• Subject has known allergy to medical grade adhesive or isopropyl alcohol used to disinfect skin.
• Subject is pregnant, attempting to conceive or not willing and able to practice birth control during the study duration.
• Subject has skin lesions, scarring, redness, infection or edema at the application sites that could interfere with device placement or the accuracy of interstitial glucose measurements.
• Subject currently is participating in another clinical trial.
• Subject has donated blood within 112 days prior to the beginning of the study activities.
• Subject has concomitant medical condition which, in the opinion of the Investigator, could interfere with the study or present a risk to the safety or welfare of the Subject or study staff. Such conditions include but are not limited to:

• History of HIV, Hepatitis B or C, or other blood-borne pathogen;
• Subject has an increased risk of bleeding.
• Subject has X-ray, MRI or CT appointment scheduled during the period of study participation, and the appointment cannot be rescheduled for a time before study participation starts or after study participation ends.
• Subject is unsuitable for participation due to any other cause as determined by the Investigator.