Unsp fx l forearm, subs for opn fx type I/2 w malunion

This code describes a situation where a patient has experienced an unspecified fracture of their left forearm, and they are now being seen for follow-up care related to an initial open fracture (Type I or II) that has healed incorrectly, resulting in malunion. The specific bone involved in the forearm fracture (radius or ulna) is not documented.

This code is used during subsequent encounters when a patient presents with complications of a previously treated open forearm fracture (Type I or II) that has healed in an abnormal alignment. This would include visits for assessment, management, or treatment of the malunion, such as planning for corrective surgery or monitoring its impact.

• Ensure documentation clearly indicates a subsequent encounter for a malunion of an open fracture, specifically Type I or II.
• Verify that the laterality (left forearm) is explicitly stated in the medical record.
• If the specific bone (radius or ulna) is documented, a more specific code should be used instead of an "unspecified" fracture.