Unsp inj unsp musc/fasc/tend at wrs/hnd lv, left hand, init

This code signifies an injury to the muscles, fascia, or tendons of the left wrist or hand where the specific muscle, fascia, or tendon involved is not documented. It indicates that this is the initial treatment for the injury.

Use this code when documentation clearly states an injury to the left wrist or hand's soft tissues (muscle, fascia, or tendon), but the precise anatomical structure affected is not specified. This is appropriate for the initial encounter when the patient is receiving active treatment for the injury.

• Avoid using this code if a more specific muscle, fascia, or tendon injury is documented; always strive for the highest level of specificity.
• Ensure the documentation specifies "left hand" or "left wrist" to justify laterality.
• Confirm this is the "initial encounter" for active treatment before assigning this code.