when does the statue of limation run out on DUI charge I have not been arrest ten years ago. I dont drink now?

I have not dranked since then.i have not been to court or got in touch with i't was about ten years ago.since then i have parkson; bipolar high blood pressure. so i can't drive because of the medication. I don't want to drive any more but would like to know if i could be arrested . I'm not going to call them i't been ten years. I live Louisiana.