Nondisp avuls fx (chip fracture) of l talus, 7thK

This code signifies a fracture where a small piece of bone has been pulled away from the main bone of the left talus, but the bone fragments are still in their normal anatomical alignment. The "subsequent encounter" indicates that the patient is receiving ongoing treatment for this fracture, which has unfortunately failed to heal properly, resulting in a nonunion.

Use this code for follow-up visits or ongoing treatment for a patient with a previously diagnosed nondisplaced avulsion fracture of the left talus who is experiencing a nonunion. This applies when the patient is receiving care such as cast changes, physical therapy, or surgical planning related to the nonunion, after the initial treatment phase.

• Ensure documentation clearly states "left talus" and "nondisplaced avulsion fracture."
• Verify that the encounter is for ongoing care of a fracture that has not healed (nonunion), not the initial injury.
• Always code with an external cause code if applicable, especially for the initial injury, though not required for subsequent encounters.