The investigators propose an innovative, ED-based mHealth intervention: TExT-MED (Trial to Examine Text-Based mHealth for Emergency department patients with Diabetes). TExT-MED is a technologically simple solution using unidirectional daily text messages to consisting of educational materials, trivia questions and challenges promoting healthy lifestyle choices and reminders to check blood sugar, take medications and go to clinic appointments. The investigators believe TExT-MED will improve health outcomes including blood glucose control and encourage weight loss, healthy eating and exercise. TExT-MED is low cost, easy to use and can be quickly adapted to other practice environments.

Inclusion Criteria:

1) ≥18 years old 2) have Type 2 diabetes 3) have a text message capable mobile phone 4) know how to receive text messages 5) speak and read English or Spanish and 6) have a HbA1C ≥8%.

Exclusion Criteria:

1) overt psychosis 2) unable to provide informed consent and 3) pregnancy.