You might ask about payment options, scheduling, or what information you should have ready. You might ask how family involvement typically works from your perspective, or what questions admissions usually asks first. You might simply want to describe what you have observed and hear how someone responds. There is no wrong question to lead with. The goal is a conversation that reflects your actual concerns.
If a question feels clinical, such as what a specific pattern of use might mean, ask a qualified healthcare professional directly. That kind of question deserves a real answer grounded in your circumstances, not a general one. Save it for that direct conversation rather than searching for it alone. Writing your questions down beforehand can help you feel less rushed. You can always ask for time to think before deciding anything.