21- Inpatient Hospital – A facility, other than psychiatric, which primarily provides diagnostic, therapeutic (both surgical and nonsurgical), and rehabilitation services by, or under, the supervision of physicians to patients admitted for a variety of medical conditions.

22 – Outpatient Hospital -A portion of a hospital which provides diagnostic, therapeutic (both surgical and nonsurgical), and rehabilitation services to sick or injured persons who do not require hospitalization or institutionalization.

23 – Emergency Room – Hospital -A portion of a hospital where emergency diagnosis and treatment of illness or injury is provided.

24 – Ambulatory Surgical Center -A freestanding facility, other than a physician’s office, where surgical and diagnostic services are provided on an ambulatory basis.

25 – Birthing Center – A facility, other than a hospital’s maternity facilities or a physician’s office, which provides a setting for labor, delivery, and immediate post-partum care as well as immediate care of new born infants.

26 – Military Treatment Facility – A medical facility operated by one or more of the Uniformed Services. Military Treatment Facility (MTF) also refers to certain former U.S. Public Health Service (USPHS) facilities now designated as Uniformed Service Treatment Facilities (USTF).

27-30 – Unassigned – N/A

31 – Skilled Nursing Facility – A facility which primarily provides inpatient skilled nursing care and related services to patients who require medical, nursing, or rehabilitative services but does not provide the level of care or treatment available in a hospital.

32 – Nursing Facility – A facility which primarily provides to residents skilled nursing care and related services for the rehabilitation of injured, disabled, or sick persons, or, on a regular basis, health-related care services above the level of custodial care to other than mentally retarded individuals.

33 – Custodial Care Facility – A facility which provides room, board and other personal assistance services, generally on a long-term basis, and which does not include a medical component.

34 – Hospice – A facility, other than a patient’s home, in which palliative and supportive care for terminally ill patients and their families are provided.

35-40 – Unassigned – N/A

41 – Ambulance – Land – A land vehicle specifically designed, equipped and staffed for lifesaving and transporting the sick or injured.