Pain Clinics

**Definition:** Facilities providing diagnostic, therapeutic, and palliative services for patients with severe chronic pain. These may be free-standing clinics or hospital-based and serve ambulatory or inpatient populations. The approach is usually multidisciplinary. These clinics are often referred to as acute pain services. (From Br Med Bull 1991 Jul;47(3):762-85)

**Tree numbers:** - N02.278.035.380.600 - N02.278.216.500.968.527.600 - N04.452.442.452.422.527.600

**Synonyms:** - Pain Centers - Pain Relief Units