The payment for drug addiction treatment can come from various sources. Some common sources of payment for drug addiction treatment include private insurance, Medicaid and Medicare, and out-of-pocket payment by the patient or their family. In some cases, the treatment may be covered by employee assistance programs (EAPs) or other programs offered by the employer. Some non-profit organizations and state-funded programs may also provide free or low-cost treatment options. It is important to check with the treatment facility or a healthcare professional for more information about payment options and available resources.