Traumatic rupture of left ulnar collateral ligament, init

This code signifies a complete tear of the ulnar collateral ligament (UCL) in the left elbow, resulting from an acute injury. This ligament is crucial for stabilizing the elbow joint, particularly against valgus stress. A rupture typically leads to significant pain, instability, and impaired function of the elbow.

Apply this code when documenting an initial presentation of a patient with a confirmed traumatic rupture of the left UCL. This often occurs in sports injuries, falls, or other incidents involving a sudden forceful valgus stress to the elbow. It is appropriate for the initial diagnosis and treatment phase.

• Ensure documentation clearly specifies "rupture" (complete tear) versus a sprain or partial tear.
• Confirm the injury is to the left ulnar collateral ligament.
• Verify this is the initial encounter for this specific injury; subsequent care will require a different encounter character.