M67.46Non-Billable (Header)Ganglion, kneeChild CodesM67.461Ganglion, right kneeM67.462Ganglion, left kneeM67.469Ganglion, unspecified kneeCode Hierarchy└M67Other disorders of synovium and tendon└M67.4Ganglion└M67.46Ganglion, knee└M67.46Ganglion, knee