If a man or woman is in need of treatment for drug addiction in Clayton, California and is lucky enough to have health insurance, a great number of drug treatment programs accept health insurance and will cooperate with clients to determine what treatment services are covered. A number of private health insurance companies in Clayton cover the costs of outpatient and inpatient drug and alcohol rehab, but the length of time which is included can vary. Private health insurance most often covers the first 30 days of drug rehab, but there are individuals whose insurance coverage is more extensive and may include a more long-term length of time in a Clayton, California alcohol and drug treatment center. It is advisable that individuals speak with their plan from the get go with the help of their treatment program to establish what services are approved by their private health insurance.