Oth disp fx of base of 1st MC bone, l hand, init for opn fx

This code signifies a fracture at the base of the first metacarpal bone (thumb) in the left hand, which is displaced from its normal anatomical position. The fracture is classified as an open fracture, meaning there is a break in the skin communicating with the fracture site. This code is specifically for the initial treatment of such an injury.

This code is appropriate for documenting the initial encounter for a patient presenting with an open, displaced fracture at the base of their left thumb metacarpal. This includes situations like a crush injury or direct trauma where the bone has broken through the skin. It should be used for the primary treatment and stabilization of the fracture.

• Ensure documentation clearly specifies "displaced" and "open fracture" for the base of the first metacarpal.
• Verify laterality (left hand) is explicitly stated in the medical record.
• Confirm this is the patient's initial encounter for this specific injury, not a follow-up or subsequent care.