M13.13 Monoarthritis, not elsewhere classified, wristNon-billable header with 3 child codes.
M13.131 Monoarthritis, not elsewhere classified, right wristM13.132 Monoarthritis, not elsewhere classified, left wristM13.139 Monoarthritis, not elsewhere classified, unspecified wristM13.119 Monoarthritis, not elsewhere classified, unspecified shoulderM13.12 Monoarthritis, not elsewhere classified, elbowM13.121 Monoarthritis, not elsewhere classified, right elbowM13.122 Monoarthritis, not elsewhere classified, left elbowM13.129 Monoarthritis, not elsewhere classified, unspecified elbowM13.13 Monoarthritis, not elsewhere classified, wrist (this code)M13.131 Monoarthritis, not elsewhere classified, right wristM13.132 Monoarthritis, not elsewhere classified, left wristM13.139 Monoarthritis, not elsewhere classified, unspecified wristM13.14 Monoarthritis, not elsewhere classified, handM13.141 Monoarthritis, not elsewhere classified, right hand