What are the requirements for extending a Non-OA visa in Thailand, especially regarding medical insurance and bank account policies?

This discussion revolves around the process of extending a Non-OA visa in Thailand, particularly focusing on the use of foreign medical insurance instead of Thai insurance. Participants clarify that it is possible to extend the visa by re-entering Thailand before the expiration, provided that the foreign health insurance is valid. There are also concerns about maintaining Thai bank accounts while transitioning from a different visa status, with responses indicating that policies may vary by bank.