Somatoform disorders Excludes2dissociative and conversion disorders (F44.-)factitious disorders (F68.1-, F68.A)hair-plucking (F63.3)lalling (F80.0)lisping (F80.0)malingering [conscious simulation] (Z76.5)nail-biting (F98.8)psychological or behavioral factors associated with disorders or diseases classified elsewhere (F54)sexual dysfunction, not due to a substance or known physiological condition (F52.-)thumb-sucking (F98.8)tic disorders (in childhood and adolescence) (F95.-)Tourette's syndrome (F95.2)trichotillomania (F63.3)