Sprain of unspecified site of left knee, initial encounter

This code signifies a sprain of the left knee where the specific ligament or structure injured is not documented. It indicates a stretching or tearing of the knee ligaments without a fracture or dislocation, affecting the patient for the first time.

Use this code when the medical record clearly states a left knee sprain but lacks detailed information about the specific ligament involved (e.g., ACL, MCL, PCL, LCL). This is appropriate for initial evaluations and treatments of such an injury.

• Ensure the documentation specifies "left knee" and "sprain" without further anatomical detail.
• Verify that this is the patient's initial encounter for this specific injury.
• Avoid using this code if a more specific knee sprain diagnosis (e.g., ACL sprain) is documented.