Feasibility Study of New Subcutaneous Glucose Sensor With Recording Devices

Inclusion Criteria: 1. Subject is 18-75 years of age at time of screening 2. A clinical diagnosis of type 1 or type 2 diabetes as determined by investigator, for at least the last 12 months 3. Subject is using insulin to treat their diabetes 4. Subject agrees to comply with the study protocol requirements 5. Subject is willing to perform self-monitoring of blood glucose approximately every 20 minutes during FST Exclusion Criteria: 1. Subject has history of allergy to acetaminophen or has been told by health care provider they may not ingest acetaminophen 2. Subject reports history of liver cirrhosis or problems with liver that a health care provider told them they should not use acetaminophen because of liver disorder. 3. Subject is unable to tolerate tape adhesive in the area of sensor placement 4. Subject has any unresolved adverse skin condition in the area of sensor or device placement (e.g. psoriasis, rash, Staphylococcus infection) 5. Subject is actively participating in or plans to enroll in an investigational study (drug or device), other than this study, wherein they have received treatment from an investigational drug or device 6. Subject has a positive urine pregnancy test at time of screening 7. Subject is female, sexually active without the use of contraception, able to become pregnant or plans to become pregnant during the course of the study 8. Subject is unwilling to participate in study procedures.