Inj oth blood vessels at wrs/hnd lv of left arm, sequela

This code signifies a long-term complication or residual effect stemming from a past injury to a blood vessel in the left wrist or hand, excluding major arteries or veins. These sequelae could include chronic pain, impaired circulation, nerve damage secondary to the vascular injury, or persistent swelling. The original acute injury has healed, but its lasting impact on the blood vessel or surrounding tissues continues to affect the patient.

Apply this code when documenting conditions that are the direct result of a previous, resolved injury to a minor blood vessel in the left wrist or hand. This is appropriate for follow-up encounters where the patient is being treated for the chronic effects, rather than the initial acute injury. Examples include persistent ischemic changes or neuropathy in the left hand due to a past, unspecified blood vessel trauma.

• Always use this code with an external cause code to identify the original injury, if known.
• Ensure documentation clearly links the current condition to a past blood vessel injury in the specified location.
• Do not use for acute injuries; this code is exclusively for sequelae.