Major laceration of left external jugular vein, init encntr

This code signifies a significant, deep cut or tear affecting the external jugular vein on the left side of the neck. Such an injury typically involves substantial damage to the vessel wall, potentially leading to significant hemorrhage. It indicates the initial phase of treatment for this specific vascular trauma.

Use this code for patients presenting with an acute, open injury to the left external jugular vein that is documented as a "major laceration." Documentation should clearly specify the left side and the initial encounter for treatment. This code is appropriate for emergency department visits or initial hospital admissions for this injury.

• Ensure documentation specifies "major laceration" and not just a minor cut or puncture.
• Verify the laterality (left) is clearly documented; separate codes exist for the right side and unspecified.
• Confirm this is the initial encounter for treatment; subsequent encounters will use different seventh characters.