F99

Applicable To

• Mental illness NOS

Clinical Information

• A disorder characterized by behavioral and/or psychological abnormalities, often accompanied by physical symptoms. The symptoms may cause clinically significant distress or impairment in social and occupational areas of functioning. Representative examples include anxiety disorders, cognitive disorders, mood disorders and schizophrenia.

• Any deviation from the normal structure or function of the brain and a psychiatric condition, that results in an impairment of an individual’s normal cognitive, emotional, or behavioral functioning, and is caused by physiological or psychosocial factors.

• Any of various conditions characterized by impairment of an individual’s normal cognitive, emotional, or behavioral functioning, and caused by social, psychological, biochemical, genetic, or other factors, such as infection or head trauma; note behavior disorders are a subset of mental disorder.

• Conceptually broad term referring to all forms of psychopathology. Use a more specific term if possible.

• Mental disorders include a wide range of problems, including

• Psychiatric illness or diseases manifested by breakdowns in the adaptational process expressed primarily as abnormalities of thought, feeling, and behavior producing either distress or impairment of function.

Details

• Mental disorder NOS due to known physiological condition

• Organic brain syndrome NOS

• Organic mental disorder NOS

• Organic psychosis NOS

• Symptomatic psychosis NOS