H47.01 Ischemic optic neuropathyNon-billable header with 4 child codes.
H47.011 Ischemic optic neuropathy, right eyeH47.012 Ischemic optic neuropathy, left eyeH47.013 Ischemic optic neuropathy, bilateralH47.019 Ischemic optic neuropathy, unspecified eyeH46 Optic neuritis ("ischemic optic neuropathy (H47.01-)")G52 Disorders of other cranial nerves ("disorders of optic [2nd] nerve (H46, H47.0)")H47 Other disorders of optic [2nd] nerve and visual pathwaysH47.0 Disorders of optic nerve, not elsewhere classifiedH47.01 Ischemic optic neuropathy (this code)H47.011 Ischemic optic neuropathy, right eyeH47.012 Ischemic optic neuropathy, left eyeH47.013 Ischemic optic neuropathy, bilateralH47.019 Ischemic optic neuropathy, unspecified eyeH47.02 Hemorrhage in optic nerve sheath