H47.0 - Disorders of optic nerve, not elsewhere classified
H47.01 - Ischemic optic neuropathy
H47.011 - Ischemic optic neuropathy, right eye
H47.012 - Ischemic optic neuropathy, left eye
H47.013 - Ischemic optic neuropathy, bilateral
H47.019 - Ischemic optic neuropathy, unspecified eye