Webvertigo nos (r42) clinical information. A disorder characterized by dizziness, imbalance, nausea, and vision problems. Pathological processes of the vestibular labyrinth which. Webpeople experiencing vertigo generally describe the sensation as “feeling dizzy” or feeling as if the room is spinning. Vertigo is not the same as lightheadedness. Webtitrate is a novel diagnostic approach to determining the probable etiology of diz ziness or vertigo. 2 the approach uses the timing of the symptom, the triggers. Webthe icd code r42 is used to code balance disorder. A balance disorder is a disturbance that causes an individual to feel unsteady, for example when standing or walking.