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2025 ICD-10-CM code H47.01

Ischemic optic neuropathy.This is a condition where the optic nerve is damaged due to insufficient blood flow.

Coding guidelines for ischemic optic neuropathy emphasize accurate documentation of the specific type of ischemic optic neuropathy, whether it's arteritic or non-arteritic.It's important to distinguish between the two forms, as they have different etiologies and treatment approaches. It's also important to document the affected eye(s) and any associated conditions.

Medical necessity for the evaluation and management of ischemic optic neuropathy stems from the potential for vision loss and the need to determine the underlying cause and appropriate treatment. Prompt diagnosis and intervention can help preserve vision and manage any underlying systemic conditions contributing to the optic nerve ischemia.

Diagnosis and management of ischemic optic neuropathy typically falls under the purview of ophthalmologists and neuro-ophthalmologists. They are responsible for evaluating the patient's vision, conducting necessary diagnostic tests, and determining the appropriate treatment strategy.

In simple words: Ischemic optic neuropathy occurs when the nerve connecting your eye to your brain doesn't get enough blood, which can damage the nerve and cause vision problems.

Ischemic optic neuropathy is a condition characterized by damage to the optic nerve resulting from an interruption of its blood supply. This can lead to vision loss, which can be sudden or gradual, and may affect one or both eyes.

Example 1: A 65-year-old patient presents with sudden, painless vision loss in one eye. Upon examination, the ophthalmologist diagnoses ischemic optic neuropathy., A patient with a history of giant cell arteritis experiences painless blurring of vision.After evaluation, the diagnosis is ischemic optic neuropathy., A patient with diabetes and hypertension reports gradual vision loss in both eyes.The ophthalmologist finds evidence of optic nerve damage and determines the cause to be ischemic optic neuropathy.

Documentation for ischemic optic neuropathy should include a detailed history of the patient's vision changes, including onset, duration, and characteristics of vision loss.It should also encompass any relevant medical history, such as vascular risk factors or other conditions that could contribute to the condition. Ophthalmological examination findings, including visual acuity, visual field testing, and optic nerve assessment, are crucial.Any imaging or laboratory studies performed to confirm the diagnosis or rule out other causes should also be documented.

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