Disp fx of proximal phalanx of unsp thumb, init for clos fx

This code signifies a break in the upper part of the thumb bone closest to the hand, where the bone fragments are no longer in their normal alignment. It indicates that this is the first time the patient is receiving treatment for this specific injury, and the skin over the fracture site remains intact.

Apply this code when documenting an initial presentation of a thumb fracture that involves the proximal phalanx and shows displacement on imaging. This is appropriate for patients presenting to the emergency department or an orthopedic clinic for the first time with this injury.

• Ensure documentation specifies "displaced" and "proximal phalanx" of the thumb.
• Confirm the encounter is for the initial treatment of the fracture, not a follow-up.
• Verify the fracture is closed, meaning there is no open wound communicating with the fracture site.