G51.9

Approximate Synonyms

• Facial nerve disorder

• Facial neuralgia

• Left facial nerve disorder

• Neuralgia, facial

• Right facial nerve disorder

Clinical Information

• A disorder characterized by involvement of the facial nerve seventh cranial nerve).

• A non-neoplastic or neoplastic disorder affecting the facial nerve seventh cranial nerve).

• 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.

Details

• G51.9 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.

• The 2023 edition of ICD-10-CM G51.9 became effective on October 1, 2022.

• This is the American ICD-10-CM version of G51.9 – other international versions of ICD-10 G51.9 may differ.