Retained (nonmagnetic) (old) foreign body in lens, bilateral

This code signifies the presence of a non-magnetic foreign object embedded within the crystalline lens of both eyes, which is not of recent origin. This condition can lead to visual impairment and other ocular complications. The foreign body is considered "old" or long-standing, distinguishing it from acute foreign body injuries.

Use this code when documentation clearly indicates a retained, non-magnetic foreign body within the lens of both eyes, and the foreign body is not newly acquired. This typically applies to patients presenting with chronic visual disturbances or other symptoms related to a previously sustained ocular injury where the foreign body was not removed. Supporting documentation should specify the foreign body's location (lens), nature (non-magnetic), and bilaterality.

• Ensure documentation specifies "bilateral" involvement; otherwise, use the appropriate unilateral code.
• Distinguish between retained foreign bodies in the lens versus other ocular structures (e.g., cornea, vitreous) as different codes apply.
• Do not use this code for acute foreign body injuries; instead, refer to codes for initial encounters of foreign body in the lens.