T82.22 - Mechanical complication of biological heart valve graft T82.2 - Mechanical complication of coronary artery bypass graft and biological heart valve graft T82.22 - Mechanical complication of biological heart valve graft T82.221 - Breakdown (mechanical) of biological heart valve graft T82.222 - Displacement of biological heart valve graft T82.223 - Leakage of biological heart valve graft T82.228 - Other mechanical complication of biological heart valve graft