G52.3

Applicable To

• Disorders of 12th cranial nerve

Approximate Synonyms

• Disorder of hypoglossal nerve

• Hypoglossal nerve disorder

Clinical Information

• A disorder characterized by involvement of the hypoglossal nerve twelfth cranial nerve).

• A non-neoplastic or neoplastic disorder affecting the hypoglossal nerve twelfth cranial nerve).

• Diseases of the twelfth cranial hypoglossal) nerve or nuclei. The nuclei and fascicles of the nerve are located in the medulla, and the nerve exits the skull via the hypoglossal foramen and innervates the muscles of the tongue. Lower brain stem diseases, including ischemia and motor neuron diseases may affect the nuclei or nerve fascicles. The nerve may also be injured by diseases of the posterior fossa or skull base. Clinical manifestations include unilateral weakness of tongue musculature and lingual dysarthria, with deviation of the tongue towards the side of weakness upon attempted protrusion.

Details

• G52.3 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 G52.3 became effective on October 1, 2022.

• This is the American ICD-10-CM version of G52.3 – other international versions of ICD-10 G52.3 may differ.