Nondisp fx of lunate, left wrist, init for opn fx

This code signifies a break in the lunate bone of the left wrist where the bone fragments remain in their normal anatomical alignment. This specific diagnosis indicates that the skin and soft tissues overlying the fracture are compromised, exposing the bone to the external environment.

This code is appropriate for the initial treatment of a patient presenting with an open, nondisplaced fracture of the left lunate bone. This includes scenarios such as a fall onto an outstretched hand resulting in a visible wound communicating with the fracture site, or a direct impact causing both bone breakage and skin laceration.

• Ensure documentation clearly specifies "nondisplaced" and "open fracture" for the left lunate.
• Verify this is the initial encounter for active treatment of the fracture, not a follow-up.
• Always code additional external cause codes (e.g., W00-Y38) to describe the circumstances of the injury.