Computer-assisted surgical and musculoskeletal navigation coding update. Aetna® will no longer consider the following codes for separate reimbursement: • 20985 (Computer-assisted surgical navigational procedure for musculoskeletal procedures, image-less (List separately in addition to code for primary procedure)) • 0054T (Computer-assisted musculoskeletal surgical navigational orthopedic procedure, with image-guidance based on fluoroscopic images (List separately in addition to code for primary procedure)). The use of computer-assisted surgical navigation is considered integral to the performance of the procedure.