Displ longitud fx unsp patella, 7thQ

This code describes a situation where a patient has a displaced fracture running lengthwise in the kneecap, but the specific patella (left or right) is not documented. This particular encounter is for the ongoing management of a previously sustained open fracture (Type I or II) that has healed incorrectly, resulting in malunion.

Use this code for follow-up encounters where a patient is being treated for complications arising from a poorly healed, previously open, displaced longitudinal patellar fracture. This includes scenarios such as surgical correction of the malunion or ongoing conservative management of the malunion.

• Ensure documentation clearly states "unspecified patella" and "malunion" as the complication.
• Verify the original fracture was an "open fracture type I or II" to justify the "Q" seventh character.
• Do not use for initial encounters or for nonunion; a different seventh character would be required.