Myopathy of extraocular muscles, right orbit

This code describes a disease affecting the muscles responsible for eye movement, specifically in the right eye. It indicates a primary muscle disorder rather than a neurological issue, leading to impaired control and coordination of the right extraocular muscles.

Apply this code when documentation specifies a myopathy affecting the extraocular muscles of the right orbit. This is appropriate for conditions like ocular myasthenia gravis, thyroid-associated ophthalmopathy (when the primary muscle involvement is documented as myopathy), or other intrinsic muscle diseases impacting the right eye's movement.

• Ensure documentation clearly specifies "myopathy" and not a neurological palsy or paralysis.
• Verify laterality; this code is specific to the right orbit.
• Consider an additional code for the underlying cause if known (e.g., E05.9 for thyrotoxicosis).