ICD-10 Diagnosis Code H47.212

Primary optic atrophy, left eye

Diagnosis Code H47.212

ICD-10: H47.212
Short Description: Primary optic atrophy, left eye
Long Description: Primary optic atrophy, left eye
This is the 2017 version of the ICD-10-CM diagnosis code H47.212

Valid for Submission
The code H47.212 is valid for submission for HIPAA-covered transactions.

Code Classification
  • Diseases of the eye and adnexa (H00–H59)
    • Disorders of optic nerve and visual pathways (H46-H47)
      • Other disorders of optic [2nd] nerve and visual pathways (H47)

Information for Patients


Optic Nerve Disorders

The optic nerve is a bundle of more than 1 million nerve fibers that carry visual messages. You have one connecting the back of each eye (your retina) to your brain. Damage to an optic nerve can cause vision loss. The type of vision loss and how severe it is depends on where the damage occurs. It may affect one or both eyes.

There are many different types of optic nerve disorders, including:

  • Glaucoma is a group of diseases that are the leading cause of blindness in the United States. Glaucoma usually happens when the fluid pressure inside the eyes slowly rises and damages the optic nerve.
  • Optic neuritis is an inflammation of the optic nerve. Causes include infections and immune-related illnesses such as multiple sclerosis. Sometimes the cause is unknown.
  • Optic nerve atrophy is damage to the optic nerve. Causes include poor blood flow to the eye, disease, trauma, or exposure to toxic substances.
  • Optic nerve head drusen are pockets of protein and calcium salts that build up in the optic nerve over time

Contact your health care provider if you are having vision problems. Tests for optic nerve disorders may include eye exams, ophthalmoscopy (an examination of the back of your eye), and imaging tests. Treatment depends on which disorder that you have. With some optic nerve disorders, you may get your vision back. With others, there is no treatment, or treatment may only prevent further vision loss.

  • Optic glioma (Medical Encyclopedia)
  • Optic nerve atrophy (Medical Encyclopedia)
  • Optic neuritis (Medical Encyclopedia)


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Optic atrophy type 1 Optic atrophy type 1 is a condition that affects vision. Individuals with this condition have progressive vision loss that typically begins within the first decade of life. The severity of the vision loss varies widely among affected people, even among members of the same family. People with this condition can range from having nearly normal vision to complete blindness. The vision loss usually progresses slowly.People with optic atrophy type 1 frequently have problems with color vision that make it difficult or impossible to distinguish between shades of blue and green. Other vision problems associated with this condition include a progressive narrowing of the field of vision (tunnel vision) and an abnormally pale appearance (pallor) of the nerve that relays visual information from the eye to the brain (optic nerve). Optic nerve pallor can be detected during an eye examination.
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