2006 ICD-9-CM Volume 1 Diagnosis Codes Home > Diseases Of The Nervous System And Sense Organs 320-389 > Disorders Of The Peripheral Nervous System 350-359 > 2006 ICD-9-CM Diagnosis 351 Facial nerve disorders View the most recent version of ICD-9-CM 351 Diseases of the facial nerve or nuclei. Pontine disorders may affect the facial nuclei or nerve fascicle. The nerve may be involved intracranially, along its course through the petrous portion of the temporal bone, or along its extracranial course. Clinical manifestations include facial muscle weakness, loss of taste from the anterior tongue, hyperacusis, and decreased lacrimation. 351 is a non-specific code that cannot be used to specify a diagnosis 351 Includes disorders of 7th cranial nerve 351 Excludes that in newborn (767.5)