H47.011
Ischemic optic neuropathy, right eye
Clinical Classification Guidelines
Medical Intelligence & Overview
Ischemic optic neuropathy (ION) is a condition involving reduced blood flow to the optic nerve, which can lead to sudden vision loss. When it affects the right eye, it is specifically classified under ICD-10 code H47.011. ION is considered an eye emergency that requires prompt medical attention to prevent permanent vision damage. Typically, it manifests as a rapid loss of vision in one eye, often accompanied by visual field defects or visual blurring.
Causes & Symptoms
Clinical Causes: Blockage or narrowing of small arteries supplying the optic nerve Atherosclerosis (hardening of the arteries) Large artery diseases or embolic events Blood circulation problems such as hypertension or hypotension Giant cell arteritis (inflammatory disease of blood vessels) Blood disorders that increase clotting risk High cholesterol levels Certain autoimmune conditions Smoking and unhealthy lifestyle choices
Key Symptoms: Sudden, painless loss of vision in the affected eye Partial or complete loss of visual fields Blurred vision or visual distortion A noticeable shadow or curtain over part of the visual field Reduced visual acuity Possible slight eye discomfort but typically no pain
Diagnostic & Treatment
Diagnosis Path: Fundoscopy to examine optic nerve head for swelling or pallor Fluorescein angiography to assess blood flow in the optic nerve Optical coherence tomography (OCT) to evaluate nerve fiber layer thickness Blood tests to identify underlying vascular or inflammatory conditions Imaging studies such as MRI or MRA if vasculitis or other neurological issues are suspected
Treatment Protocols: Steroid therapy to reduce inflammation and swelling in some cases Management of underlying risk factors like hypertension, high cholesterol, or diabetes Blood thinners or antiplatelet medications if blood clotting issues are identified Lifestyle modifications such as quitting smoking, healthy diet, and regular exercise Close monitoring by an eye care specialist to track progression Supportive measures, including vision aids and counseling to cope with vision loss
Clinical Advice & FAQs
Billing Guidance
Is H47.011 a billable ICD-10 code?
Yes, H47.011 is a specific, billable code that can be used to indicate a diagnosis for reimbursement purposes.
Documentation
How do I report H47.011?
Clinical documentation must specify the nature of Ischemic optic neuropathy, right eye and any associated comorbidities for accurate reporting.
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