Medicaid is a form of health insurance available for individuals who are in certain income brackets which qualifies them to obtain this government funded insurance coverage. Whether or not someone is qualified for Medicaid doesn't only determined by income however, and people shouldn't assume they don't qualify simply because they make a reasonable income. For instance, people who have many dependents may qualify for Medicaid even though they make what would be considered a reasonable income. Medicaid can also cover the expense of rehab, if someone has been abusing drugs or alcohol and needs treatment. There are several drug rehabilitation programs which accept Medicaid, but various states have different rules for what sorts of rehabilitation are covered. Certain states only include outpatient treatment services for instance while other states cover more extensive rehab say for example a residential stay in long-term drug and alcohol rehabilitation program. If a person is involved in drug use and wants help, they are able to use their Medicaid insurance coverage to acquire this treatment. If they don't have Medicaid and in addition don't have enough cash or any other type of health insurance to pay for treatment, they can check if they qualify for Medicaid and then sign up for a drug rehabilitation facility that is approved inside their state.