Unsp injury of blood vessel of unsp thumb, init encntr

This code signifies an injury to a blood vessel within the thumb where the specific vessel (e.g., artery, vein) is not documented, and the exact thumb (left or right) is also unknown. It indicates the initial treatment for such an injury.

Use this code when documentation clearly states a blood vessel injury to the thumb, but lacks specificity regarding the type of vessel or the affected side. This is appropriate for initial encounters when the patient is receiving active treatment for the injury.

• Avoid using this code if more specific information about the blood vessel or thumb later becomes available.
• Always query the provider for greater specificity if possible, especially regarding the type of blood vessel and laterality.
• Ensure the "A" seventh character is appropriate for the initial encounter for active treatment.