Your brother may qualify for Texas if he has a disability. To be eligible for Texas Medicaid, you must be a resident of the state of Texas, a U.S. national, citizen, permanent resident, or legal alien, in need of health care/insurance assistance, whose financial situation would be characterized as low income or very low income. You must also be one of the following:

Pregnant, or
Be responsible for a child 18 years of age or younger, or
Blind, or
Have a disability or a family member in your household with a disability.
Be 65 years of age or older.
To be eligible, you must have an annual household income (before taxes) that is below the following amounts: