Unsp fx head of l femur, subs for opn fx type I/2 w malunion

This code describes a situation where a patient has an unspecified fracture of the head of their left femur, which was initially an open fracture (Type I or II), and is now presenting with malunion. Malunion indicates that the bone has healed in an incorrect or deformed position.

This code is used when a patient with a previously treated open fracture (Type I or II) of the left femoral head is seen for follow-up care, and imaging or clinical assessment confirms that the fracture has healed improperly. This would typically be documented by an orthopedic surgeon or other specialist managing fracture complications.

• Ensure documentation clearly specifies "malunion" and the initial open fracture type (I or II).
• Verify the laterality (left femur) and the specific bone part (head of femur) are accurately documented.
• This code is for subsequent encounters; an initial encounter for the fracture would use a different code.