Medicaid covers case management services furnished to medicaid recipients who are chronically mentally ill and who are not residents of an institution for mental disease. Chronic mental illness is defined by diagnosis, disability and duration. The major diagnoses include schizophrenia, affective disorders, bipolar disorders, and serious personality disorders, such as borderline personality. The illness must be of a duration of more than one year and cause serious impairment of functions relative to daily living.
N.M. Admin. Code § 8.326.4.12