Question: South Carolina Subscriber Answer: You can report the halo adjustment with 20693 (Adjustment or revision of external fixation system requiring anesthesia [e.g., new pin{s} or wire{s} and/or new ring{s} or bar{s}]). If your surgeon doesn't believe 20693 is an accurate choice, submit 20999 (Unlisted procedure, musculoskeletal system, general) and compare to 20693 for RVU purposes (11.88 national RVUs for facility or non-facility). You can code the debridement separately with 11040 (Debridement; skin, partial thickness).