Medial dislocation of proximal end of tibia, left knee, subs

This code signifies a dislocation of the medial aspect of the proximal tibia relative to the femur, specifically in the left knee. It indicates that this is not the initial presentation of the injury, but rather a subsequent encounter for a previously diagnosed dislocation.

Use this code for follow-up visits, cast changes, or ongoing management of a left knee medial tibial dislocation after the initial treatment has begun. This applies when the patient is still receiving active treatment for the dislocation, such as immobilization or physical therapy, but not for the initial reduction or surgical repair.

• Ensure the documentation clearly specifies "medial" dislocation of the proximal tibia and the "left" knee.
• Verify that the encounter is for subsequent care, not the initial injury or a sequela.
• Pair with appropriate external cause codes (e.g., W00-X58) and place of occurrence codes (e.g., Y92) for a complete picture of the injury event.