Injury of optic tract and pathways, left side, init

This code signifies damage to the neural pathways responsible for transmitting visual information from the optic chiasm to the brain, specifically affecting the left side. This injury can result from trauma, tumors, or vascular events, leading to various visual field deficits.

Apply this code when documentation clearly indicates an injury to the left optic tract or other visual pathways beyond the optic chiasm, such as the optic radiations. This code is appropriate for the initial treatment of such an injury following a traumatic event or acute onset.

• Ensure documentation specifies "left side" and "initial encounter" for accurate code assignment.
• Distinguish from optic nerve injuries (H47.0x) or optic chiasm injuries (S04.02x).
• Always sequence this code as the primary diagnosis when it is the reason for the encounter.