BlueCross BlueShield of Tennessee applies code bundling rules to evaluate the accuracy and adherence of medical claims to accepted national standards. These rules are based on code bundling guidelines such as:

National Correct Coding Initiative (NCCI)
American Medical Association
Centers for Medicare and Medicaid Services
American Academy of Orthopaedic Surgeons (AAOS)
American College of Obstetricians and Gynecologists (ACOG)
BlueCross BlueShield of Tennessee clinical expertise