F06.4
Organic anxiety disorder
Coding guidance (WHO 2019)
A disorder characterized by the essential descriptive features of a generalized anxiety disorder (F41.1), a panic disorder (F41.0), or a combination of both, but arising as a consequence of an organic disorder. Excl.: anxiety disorders, nonorganic or unspecified (F41.-)
Sibling codes
F06Other mental disorders due to brain damage and dysfunction and to physical diseaseF06.0Organic hallucinosisF06.1Organic catatonic disorderF06.2Organic delusional [schizophrenia-like] disorderF06.3Organic mood [affective] disordersF06.5Organic dissociative disorderF06.6Organic emotionally labile [asthenic] disorderF06.7Mild cognitive disorderF06.8Other specified mental disorders due to brain damage and dysfunction and to physical diseaseF06.9Unspecified mental disorder due to brain damage and dysfunction and to physical disease