The term nonqualified aliens also includes aliens who are illegally residing in the U.S. These aliens either were never legally admitted to the United States for any period of time, or were admitted for a limited period of time and did not leave the United States when the period of time expired. Unlike other nonqualified aliens, they are not issued SSNs. Aliens who are illegally residing in the U.S. do not have to provide a SSN.

Legal nonimmigrants are not included in the group of nonqualified aliens. Legal nonimmigrants are included with the group known as ineligible aliens.

Illegally residing nonqualified aliens, who meet the technical and financial requirements of a specific Medicaid eligibility group, are only eligible for the treatment of an emergency medical condition, as defined in this section, and labor and delivery services. Illegally residing nonqualified aliens are not eligible for any long term care Medicaid program.

Illegally residing nonqualified aliens are not eligible for state funded benefits.