Medicaid is a form of health care insurance available for individuals who are in specific income brackets which qualifies them to receive this government provided insurance. Whether or not a person is qualified for Medicaid doesn't only determined by their earnings however, and individuals shouldn't assume they don't qualify simply because they earn an acceptable income. For example, people who have many dependents may be entitled to Medicaid regardless of whether they earn what might be described as a reasonable income. Medicaid may also cover the expenses of rehab, if someone has been abusing alcohol or drugs and needs rehab. There are many drug treatment programs which accept Medicaid, but different states have distinct guidelines for what sorts of rehab are covered. Some states only cover outpatient rehabilitation services as an example while other states cover far more extensive treatment like a residential stay in long-term alcohol and drug rehabilitation facility. If someone is involved in substance abuse and needs help, they are able to use their Medicaid health coverage to obtain this treatment. If they don't have Medicaid and in addition don't have the funds or any other kind of medical insurance to pay for rehab, they can determine if they qualify for Medicaid and then enroll in an alcohol and drug treatment facility which is approved inside their state.