Injury of visual cortex, left side, subsequent encounter

This code signifies an injury to the visual cortex located in the left cerebral hemisphere that is being treated during a subsequent encounter. Such an injury can result in various visual field defects, including cortical blindness or hemianopsia, depending on the extent and specific location of the damage. It indicates ongoing care for a previously diagnosed visual cortex trauma.

Use this code for follow-up visits, rehabilitation sessions, or ongoing management of a patient who sustained an injury to their left visual cortex. Documentation should clearly indicate that the patient is beyond the initial active treatment phase and is receiving continued care for the sequelae of the injury. This includes scenarios where the patient is undergoing therapy to adapt to visual deficits or monitoring for complications.

• Ensure documentation specifies "left side" and that the encounter is not the initial treatment for the injury.
• Distinguish from injuries to the optic nerve or other parts of the visual pathway; this code is specific to the visual cortex.
• Always sequence this code after any acute injury codes (e.g., traumatic brain injury) if the patient is still being treated for the primary injury.