If it's an emergency of some sort, it's probably 100% covered. The thing though is that MedicAid is run similarly to Medicare where private insurers get involved but provide really shitty plans with terrible formularies and very limited choices for providers. Also, there's widespread healthcare provider bias, stigma, and discrimination against MedicAid patients.
> Out of pocket costs cannot be imposed for emergency services, family planning services, pregnancy-related services, or preventive services for children. Generally, out of pocket costs apply to all Medicaid enrollees except those specifically exempted by law and most are limited to nominal amounts. Exempted groups include children, terminally ill individuals, and individuals residing in an institution
Also: Username checks out.