Unspecified subluxation of left knee, initial encounter

This code signifies an incomplete or partial dislocation of the left knee joint where the specific ligament or structure involved in the subluxation is not documented. It indicates that the articular surfaces of the knee are no longer in proper alignment but remain in partial contact.

Use this code when the medical record clearly states a subluxation of the left knee, but the physician has not specified the exact type (e.g., patellar, tibiofemoral) or the specific ligamentous injury. This is appropriate for the initial visit or active treatment phase of the injury.

• Ensure the documentation explicitly states "left knee" and "subluxation" without further specificity.
• Confirm this is the patient's initial encounter for this specific injury.
• If a more specific subluxation (e.g., patellar) is documented, a more precise code should be used.