Unsp fracture of unsp foot, subs for fx w malunion

This code signifies a fracture of an unknown bone in an unspecified foot that is currently healing incorrectly (malunion). It indicates that the patient is receiving ongoing care for this previously sustained, poorly united fracture.

Use this code for follow-up encounters where a patient is being treated for a foot fracture that has healed in an anatomically incorrect position, and the specific bone or location of the fracture within the foot is not documented. This is appropriate when the initial fracture details are vague or unavailable, but the malunion is clearly present and being addressed.

• Only use this code when the specific foot bone fractured is truly unknown or not documented in the medical record.
• Ensure documentation clearly states "malunion" for the subsequent encounter.
• Avoid using this code if a more specific fracture site (e.g., metatarsal, tarsal) or laterality (left/right) is documented.