LeFort I fracture, initial encounter for open fracture

This code signifies a fracture of the maxilla, specifically a LeFort I type, where the fracture line extends horizontally above the alveolar process, separating the palate and lower maxilla from the rest of the facial skeleton. The "open" designation indicates that there is a break in the skin or mucous membrane communicating with the fracture site.

This code is appropriate for the initial treatment phase of a patient presenting with a LeFort I fracture that has an associated open wound. Documentation should clearly specify the LeFort I classification and explicitly state the open nature of the fracture, often described as a compound fracture or one with an overlying laceration communicating with the bone.

• Ensure documentation explicitly states "LeFort I" and "open fracture" to support this specific code.
• Do not use this code for closed LeFort I fractures; a different code exists for those.
• This "B" encounter code is only for the initial treatment of the fracture, not for subsequent care or sequelae.