Superficial foreign body, left knee, initial encounter

This code signifies the presence of a foreign object, such as a splinter, glass shard, or gravel, embedded superficially in the skin or subcutaneous tissue of the left knee. The foreign body has not penetrated deeper structures like muscle, tendon, or joint capsule.

Apply this code when a patient presents with a foreign body lodged in the left knee that is easily visible or palpable and does not require extensive surgical intervention for removal. This is appropriate for the initial visit where the injury is first evaluated and/or treated.

• Ensure documentation specifies "left knee" and "superficial" to support this code.
• Confirm this is the patient's initial encounter for this specific injury.
• If the foreign body has penetrated deeper tissues, a more specific code indicating the depth and affected structures should be used.