Myopathy of extraocular muscles, bilateral

This code signifies a disease affecting the muscles responsible for eye movement, specifically impacting both eyes. This condition impairs the coordinated function of the extraocular muscles, leading to various visual disturbances.

Apply this code when documentation indicates a diagnosed myopathy affecting the extraocular muscles in both eyes. This includes conditions like chronic progressive external ophthalmoplegia (CPEO) or other muscular dystrophies primarily manifesting in the ocular muscles bilaterally. Supporting documentation should clearly specify the bilateral involvement.

• Ensure documentation explicitly states "bilateral" involvement of the extraocular muscles.
• Distinguish from monocular myopathy or other ocular muscle disorders not classified as myopathy.
• Code any underlying systemic myopathy or genetic condition as a primary diagnosis if applicable, sequencing it before this code.