Smith's fracture of left radius, subs for clos fx w nonunion

This code signifies a Smith's fracture, which is a reverse Colles' fracture involving the distal radius with volar displacement of the distal fragment, affecting the left arm. The "subsequent encounter" indicates the patient is receiving routine or follow-up care during the healing phase, and "nonunion" specifies that the fracture has failed to heal completely after an appropriate period.

Apply this code when documenting follow-up care for a patient with a previously diagnosed Smith's fracture of the left radius where imaging or clinical assessment confirms that the bone fragments have not united. This includes scenarios such as cast changes, physical therapy evaluations, or surgical planning for nonunion repair.

• Ensure documentation clearly specifies "left" radius and "Smith's fracture" morphology.
• Verify that the encounter is for follow-up care, not initial treatment, and that nonunion is explicitly stated.
• Pair with an external cause code if the cause of the fracture is relevant and documented.