Most insurance plans cover addiction and mental health treatment. Federal parity law requires it, which means your plan has to treat rehab like any other medical care rather than a separate, lesser benefit. So the honest answer is usually yes. The real questions are narrower. Which levels of care does your plan cover, from detox through outpatient? And what will you actually pay after deductibles and copays? We can verify your specific benefits and walk you through the numbers before you commit to anything.