H21.222
ICD-10-CMThis code signifies a deterioration or breakdown of the ciliary body in the left eye. The ciliary body is a crucial structure located behind the iris, responsible for producing aqueous humor and controlling lens accommodation. Degeneration can lead to impaired vision, changes in intraocular pressure, or other ocular complications.
Apply this code when documentation explicitly states degeneration of the ciliary body affecting the left eye. This diagnosis is typically made by an ophthalmologist based on slit-lamp examination findings, imaging studies, or other diagnostic tests confirming the structural changes.
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