Retained (old) magnetic fb in vitreous body, left eye

This code signifies the presence of a magnetic foreign object, which has been present for an extended period, within the vitreous humor of the left eye. This condition can lead to various complications, including inflammation, retinal damage, and vision impairment.

Use this code when documentation clearly indicates a magnetic foreign body has been identified in the vitreous of the left eye and is considered "old" or "retained," implying it was not a recent acute injury. Supporting documentation would include imaging reports (e.g., X-ray, CT scan, MRI) confirming the foreign body's magnetic nature and location, along with clinical notes indicating its chronic presence.

• Differentiate between "retained" (old) and "non-retained" (acute) foreign bodies; the latter would use a different code series.
• Ensure the documentation specifies the foreign body's magnetic nature; if non-magnetic, a different code is required.
• Always specify laterality (left eye) as per the code description.