Medicaid is a kind of medical insurance available for many people who are in certain income brackets which qualifies them to receive this government provided insurance. Whether or not an individual is qualified for Medicaid doesn't only determined by their earnings however, and people shouldn't assume they don't qualify simply because they make a reasonable income. For instance, people who have a lot of dependents may be eligible for Medicaid even if they make what would be considered a reasonable income. Medicaid may also cover the price of rehab, if a person has been abusing drugs or alcohol and requires treatment. There are several drug and alcohol rehab programs which accept Medicaid, but various states have different rules for what forms of rehabilitation are covered. Some states only include outpatient rehabilitation services for example while other states cover far more extensive rehab say for example a residential stay in long-term drug rehabilitation program. If someone is involved with substance abuse and wants help, they are able to use their Medicaid health coverage to get this treatment. If they do not have Medicaid and in addition don't have the money or any other kind of medical insurance to pay for rehab, they could determine if they are eligible for a Medicaid and then enroll in a drug and alcohol rehab center which is approved within their state.