333.5
ICD-9-CMThis code represents various forms of chorea that are not specifically classified elsewhere. Chorea is a neurological disorder characterized by involuntary, irregular, unpredictable, and often rapid movements that flow from one body part to another. These movements can affect the face, trunk, and limbs, and can interfere with voluntary motor activity.
Use this code when documentation specifies a diagnosis of chorea that does not fit the criteria for Huntington's chorea, rheumatic chorea, or other more specific types. This includes chorea due to metabolic disorders, drug-induced chorea, or other idiopathic choreas not otherwise specified. The physician's notes should clearly indicate the presence of choreiform movements and rule out more specific etiologies.
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