2006 ICD-9-CM Volume 1 Diagnosis Codes Home > Diseases Of The Nervous System And Sense Organs 320-389 > Diseases Of The Ear And Mastoid Process 380-389 > Vertiginous Syndromes And Other Disorders Of Vestibular System 386.* > 2006 ICD-9-CM Diagnosis 386.51 Hyperactive labyrinth unilateral View the most recent version of ICD-9-CM 386.51 386.51 is a specific code that can be used to specify a diagnosis 386.51 contains 1 index entry View the ICD-9-CM Volume 1 386.* hierarchy  Index entries containing 386.51: Hyperactive, hyperactivity labyrinth (unilateral) 386.51 with loss of labyrinthine reactivity 386.58 bilateral 386.52