If an addict must receive treatment for drug addiction and is fortunate enough to have health insurance, most drug and alcohol treatment facilities in San Diego, CA. accept health insurance and will liaise with clients to find out what is and is not insured. Most private health insurance entities cover outpatient and residential drug rehab, although the time which is covered can vary. Private health insurance will typically cover the first month of drug and alcohol treatment, although there are people whose insurance is more extensive and could also include a longer residence in an alcohol and drug rehab facility. It is best to seek advice of their plan as soon as possible and to ask for any help as needed from their rehab center to figure out what is covered by your private health insurance.