Aid to the disabled shall be awarded to needy persons who are disabled and whose disability prevents self-support through employment for a period of at least one (1) year from the date of onset of the disability, but who are not inmates of public institutions (except as patients in medical institutions) and who are not patients in an institution for tuberculosis or mental diseases or who are not patients in any medical institution as a result of having been diagnosed as having tuberculosis or psychosis.
Idaho Code § 56-209a