Posterior synechiae (iris), bilateral

This code signifies the adhesion of the iris to the anterior lens capsule in both eyes. This condition can impede pupil dilation and may be a sequela of inflammation or trauma.

Apply this code when documentation specifies posterior synechiae affecting both eyes. This is typically diagnosed during a slit lamp examination, often noted in patients with a history of uveitis or ocular surgery.

• Ensure the documentation explicitly states "bilateral" involvement; otherwise, use the appropriate unilateral code.
• Do not confuse with anterior synechiae (adhesion of the iris to the cornea).
• Code any underlying cause of the synechiae, such as uveitis, first.