Other localized visual field defect, bilateral

This code signifies a localized area of impaired vision within the visual field of both eyes, excluding those defects classified as scotoma, quadrantanopia, or hemianopia. It represents a specific, non-generalized visual field loss affecting both eyes simultaneously.

Apply this code when documentation specifies a localized visual field defect affecting both the right and left eyes, and the defect is not further specified as a scotoma, quadrantanopia, or hemianopia. This is appropriate for conditions like arcuate scotoma or nerve fiber bundle defects that are present bilaterally.

• Ensure documentation clearly states the defect is "bilateral" and "localized."
• Differentiate from H53.41- (scotoma), H53.42- (quadrantanopia), and H53.43- (hemianopia).
• Always review laterality carefully; this code specifically indicates bilateral involvement.