If someone is in need of assistance for drug addiction in Frederick and is lucky enough to be covered through health insurance, most alcohol and drug rehab centers accept payment in the form of health insurance and will cooperate with clients to determine what is and is not covered. Most private health insurance companies in Frederick cover the costs of outpatient and inpatient drug and alcohol rehabilitation, although the time which is covered can differ. Private health insurance will more than likely cover the first 30 days of alcohol and drug rehab, but there are people whose coverage is more extensive and can cover a longer length of time in a Frederick alcohol and drug rehabilitation facility. It is best to their plan from the get go with the help of their rehab program to determine what is approved by their private health insurance.