Monteggia's fx unsp ulna, subs for clos fx w routn heal

This code describes a Monteggia's fracture, which is a specific type of forearm injury involving a fracture of the ulna (one of the two long bones in the forearm) and a dislocation of the radial head (the top part of the other forearm bone, the radius). The "unspecified ulna" indicates that the laterality (left or right) of the fracture is not documented. This particular code is for a subsequent encounter where the closed fracture is healing routinely.

This code is appropriate for follow-up visits where a patient with a previously diagnosed Monteggia's fracture of an unspecified ulna is being monitored for routine healing of the closed fracture. It would be used after the initial treatment has been rendered and the patient is progressing as expected without complications.

• Ensure documentation specifies "unspecified ulna" if laterality is not recorded.
• Confirm the encounter is for routine healing of a closed fracture, not an open one or one with delayed healing/nonunion.
• Verify this is a subsequent encounter, not the initial treatment for the fracture.