106 − Inpatient means a person who is confined in a facility as a registered bed patient and is being charged a fee for inpatient room and board; and − Outpatient means a person who is not so confined. Intensive Care Unit means only a separate, clearly designated service section that is part of an Acute Care Hospital and that meets all of the following tests: • It is solely for treatment of patients who are in a critical condition; • It provides constant sp ecial nursing care and observation not available in the other sections of the hospital; • It contains special life - saving equipment that is ready for immediate use; • It contains at least two beds for critically ill patients; • It has, at all times, at least o ne registered Nurse who is in constant attendance; and • It meets the standards set for an Intensive Care Unit by the Joint Commission on Accreditation of Healthcare Organizations. The term Intensive Care Unit shall include a burn unit or a cardiac care uni t that meets all of the above tests. The term shall not include a unit for intensive alcoholism, drug or chemical dependence, or psychiatric treatment. Intensive Outpatient Therapy means distinct levels or phases of treatment that are provided by a certifi ed/licensed Mental Health or Substance Abuse Treatment program. Intensive Outpatient Therapy programs typically provide a combination of individual, family, and/or group therapy in a day, totaling nin e (9) or more hours in a week. Medically necessary with respect to each service or supply means that the service or supply meets all of the following tests: • It is rendered for the treatment or diagnosis of an injury or illness, including premature birth, congenital defects, and birth defects; • It is appropriat e for the symptoms, consistent with the diagnosis, and is otherwise in accordance with generally accepted medical practice and Professionally Recognized Standards; • It is not mainly for the convenience of the participant or the participant’s physician or o ther provider; • It is the most appropriate supply or level of service needed to provide safe and adequate care. When applied to confinement in a hospital or other facility, this test means that the participant needs to be confined as an inpatient due to th e nature of the services rendered or due to the participant’s condition and that the participant cannot receive safe and adequate care through Outpatient treatment. Medicare means the health insurance benefits provided under Title XVIII of the Social Security Act, as amended in 1965 . Mental Health Services are the services that are required to treat a disorder that impairs behavior, emotional reaction, or thought processes, but not including substance abuse, and not including learning, behavioral, and developmental disorders. In determining benefits payable, charges made for the treatment of any physiological conditions related to mental health will not be considered charges made for t he treatment of mental health. Mental Health Residential Treatment Center means a facility that meets all of the tests of the Acute Care Hospital definition or it is licensed in accordance with the laws of the appropriate legally authorized agency as a residential treatment center for Mental Health Services .