Unsp fx left patella, subs for opn fx type I/2 w routn heal

This code signifies an unspecified fracture of the left kneecap that was initially an open fracture (meaning the skin was broken) of either Type I or Type II severity. The patient is now in a subsequent phase of care, and the fracture is healing as expected without complications.

Apply this code when documenting follow-up care for a patient with a left patellar fracture that was previously an open injury (Type I or II) and is currently undergoing routine healing. This would be used after the initial treatment phase, such as during cast changes, physical therapy, or routine check-ups where the fracture is progressing normally.

• Ensure the documentation clearly specifies "left" patella and "unspecified" fracture type.
• Confirm the original injury was an open fracture, Type I or II, and that the current encounter is for subsequent care with routine healing.
• Do not use this code for initial encounters or for fractures with delayed healing, nonunion, or malunion.