Unsp inj extn/abdr musc/fasc/tend of r thm at forarm lv,init

This code signifies an injury to the muscles, fascia, or tendons responsible for extending or moving the right thumb away from the hand, specifically occurring at the forearm level. The exact nature of the injury (e.g., strain, tear) is not specified.

This code is appropriate for initial encounters when a patient presents with a new injury to the extensor or abductor structures of the right thumb, located in the forearm, and the specific type of injury has not yet been definitively diagnosed. It is used when documentation indicates an injury to these structures but lacks further detail.

• Ensure the documentation specifies the right thumb and the injury location at the forearm level.
• Only use this code for the initial encounter of the injury; subsequent encounters will require different seventh characters.
• If the specific type of injury (e.g., sprain, strain, tear) is documented, a more specific code should be selected.