Inj great saphenous at lower leg level, unsp leg, sequela

This code signifies a long-term complication or late effect resulting from a previously sustained, specific but not otherwise classified injury to the greater saphenous vein in the lower leg. This could include chronic venous insufficiency, post-thrombotic syndrome, or persistent pain directly attributable to the original trauma, affecting an unspecified leg.

Apply this code when documenting a condition that is a residual effect of an old injury to the greater saphenous vein in the lower leg, and the specific nature of the original injury is not detailed enough for a more precise code. This is appropriate for follow-up encounters addressing the chronic sequelae.

• Always use this code as a secondary diagnosis, following the code for the specific sequela (e.g., chronic venous insufficiency).
• Ensure documentation clearly links the current condition to a past injury of the greater saphenous vein.
• Avoid using this code for acute injuries; it is strictly for late effects.