351.1
ICD-9-CMThis code represents inflammation of the geniculate ganglion, a sensory ganglion of the facial nerve (cranial nerve VII). This condition typically manifests as severe, paroxysmal pain in the ear and surrounding areas, often accompanied by facial nerve dysfunction such as taste disturbances or hyperacusis. It is a form of neuralgia affecting the intermediate nerve.
Assign this code when documentation clearly indicates a diagnosis of geniculate ganglionitis. This diagnosis is often made based on the characteristic pain distribution (otalgia, deep facial pain) and exclusion of other causes. Supporting documentation would include physician notes detailing the patient's symptoms, neurological examination findings, and potentially imaging results ruling out structural lesions.
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