Nondisp apophyseal fx l femur, subs for clos fx w nonunion

This code signifies a fracture of the apophysis (a normal bony outgrowth, often for muscle attachment) on the left femur that is not displaced, meaning the bone fragments are still in their normal alignment. The patient is in a subsequent phase of care, and the fracture is failing to heal properly (nonunion) without an open surgical procedure.

Use this code for follow-up encounters where a patient with a previously diagnosed nondisplaced apophyseal fracture of the left femur is being treated for nonunion. This applies when the fracture management has been non-surgical (closed treatment).

• Ensure documentation specifies "left femur" and "apophyseal fracture."
• Confirm the fracture is "nondisplaced" and that "nonunion" is explicitly documented.
• Verify this is a "subsequent encounter" for a "closed fracture" to differentiate from initial treatment or open fractures.