Defined by federal law, these are necessary diagnostic, preventive, therapeutic, curing, treating, mitigating, and rehabilitative services, and maintenance or personal care services, that are required by a chronically ill individual, and are provided pursuant to a plan of care prescribed by a licensed health care practitioner. Maintenance or personal care services means any care the primary purpose of which is to provide needed assistance with any of the disabilities as a result of which the individual is a chronically ill individual (including the protection from threats to health and safety due to severe cognitive impairment). See also Long Term Care