Inj extn musc/fasc/tend l idx fngr at wrs/hnd lv, sequela

This code describes a long-term complication or residual effect stemming from a previous injury to the extensor muscles, fascia, or tendons of the left index finger, specifically at the wrist or hand level. This could include chronic pain, stiffness, weakness, or deformity that persists after the initial healing period.

Use this code when documenting a patient presenting with a current problem directly attributable to an old injury of the extensor mechanism of the left index finger. This applies when the acute phase of the original injury has passed, and the current encounter addresses the lasting consequences.

• Always ensure documentation clearly links the current condition to a past injury of the left index finger extensor.
• Verify the injury location is specifically at the wrist or hand level, not the forearm or finger tip.
• Confirm the "sequela" nature of the condition, indicating a chronic or residual effect rather than an acute injury.