Unspecified open wound of unspecified upper arm, init encntr

This code signifies an open wound of the upper arm where the specific nature of the wound (e.g., laceration, puncture, avulsion) is not documented. It also indicates that the affected arm (left or right) is not specified. The "initial encounter" designation means this code is used for the patient's first visit for this particular injury.

This code is appropriate when documentation clearly states an open wound of the upper arm but lacks details regarding the wound type or laterality. It should be used for the initial treatment of such an injury, prior to any subsequent care or follow-up visits.

• Avoid using this code if more specific information about the wound type (e.g., laceration, puncture) or laterality (left/right) is available in the medical record.
• Always review documentation for additional details that would allow for a more specific code selection.
• For subsequent encounters for the same injury, a different 7th character (D, S) will be required.