If someone must receive treatment for alcohol and drug addiction in Cerritos, California and is fortunate enough to be covered through health insurance, a great number of drug and alcohol rehab programs accept health insurance and will cooperate with clients to determine what treatment services are covered. A number of private health insurance entities in Cerritos, California cover the costs of outpatient and inpatient drug rehab, but the timeframe which is included can differ. Private health insurance will more than likely cover the first 4 weeks of drug rehabilitation, although there are people whose coverage is more extensive and can provide for a more significant length of time in a Cerritos, California alcohol and drug rehab facility. It is advisable that individuals seek advice of their insurance company directly in liaison with the rehab facility to decide what services are approved by their private health insurance.