Displ transverse fx l patella, 7thM

This code describes a specific type of patellar fracture where the break is across the transverse plane of the left kneecap, and the bone fragments are no longer in their normal alignment. It indicates that the initial injury was an open fracture (meaning the skin was broken), and the fracture has failed to heal properly, resulting in nonunion. This code is used during follow-up care for this complex injury.

Use this code for patients presenting for ongoing treatment, follow-up, or management of a previously diagnosed displaced transverse fracture of the left patella that was initially an open fracture and has now developed nonunion. This would apply to encounters for surgical intervention for nonunion, cast changes, wound care related to the open nature, or evaluation of healing progress during the nonunion phase.

• Ensure documentation clearly specifies "displaced" and "transverse" for the patellar fracture.
• Confirm the laterality is "left" and that the initial injury was an "open fracture type I or II."
• This code is specifically for a "subsequent encounter" and indicates "nonunion," so verify the patient's current stage of care.