New Jersey Subscriber
Answer: The instructional notes at the beginning of the Endoscopy/Arthroscopy subsection of CPT state that surgical arthroscopy always includes a diagnostic arthroscopy. Therefore, whenever an arthroscopic surgical procedure is performed on the knee, a diagnostic arthroscopy of the knee is included, regardless of the compartments of the knee involved, and 29870 should not be reported.
Answers to You Be the Coder and Reader Questions provided by Heidi Stout, CPC, CCS-P, coding and reimbursement manager at University Orthopedic Associates in New Brunswick, N.J.