Nondisp fx of neck of first MC bone, r hand, init for opn fx

This code signifies a break in the neck of the first metacarpal bone (thumb) in the right hand, where the bone fragments remain in their normal anatomical alignment. This specific code is used when the fracture involves an open wound, meaning the skin and soft tissues have been compromised, exposing the bone.

This code is appropriate for documenting the initial treatment of an open, nondisplaced fracture of the right thumb's metacarpal neck. This would include scenarios such as a patient presenting to the emergency department after a crush injury to the hand with an open wound and subsequent radiographic confirmation of a nondisplaced fracture. It is used for the initial encounter for care related to this specific injury.

• Ensure documentation clearly specifies "nondisplaced" and "open fracture" for accurate code assignment.
• Verify laterality (right hand) is explicitly stated in the clinical notes.
• This "B" seventh character indicates an initial encounter for an open fracture; subsequent encounters will require different seventh characters.