1. Subject is critically ill or hospitalized

2. Prior use of CGM defined as:

* No more than 1 week of continuous CGM use in the last 6 months, and

* At least 4 weeks of continuous use of CGM in the last 12 months or 12 weeks total use in the past 3 years.

3. Subject has a known contraindication to dexamethasone or dexamethasone acetate

4. Subjects requiring intravenous mannitol or mannitol irrigation solutions

5. Subject is on dialysis at the time of enrollment

6. Female subjects who are pregnant, planning on becoming pregnant or nursing

Eversense® Non-adjunctive Use Post Approval Study