Laceration of blood vessel of unspecified thumb, sequela

This code signifies a past injury involving a laceration to a blood vessel within an unspecified thumb, with the patient now experiencing a residual effect or complication from that original trauma. It indicates that the initial acute injury has healed, but its lasting impact is still present and relevant to the current encounter.

Apply this code when a patient presents with a condition directly attributable to a previously sustained laceration of a thumb blood vessel, such as chronic pain, nerve damage, or impaired function stemming from the original injury. This is appropriate for follow-up visits addressing the long-term consequences, not the initial acute treatment.

• Always use an additional code to specify the nature of the sequela (e.g., scar formation, chronic pain, nerve entrapment).
• Ensure documentation clearly links the current condition to the historical thumb blood vessel laceration.
• Do not use this code for the initial acute injury; use an acute laceration code for that encounter.