ICD-10-CM > M00-M99 > M05-M14 > M13 > M13.1 M13.1 Monoarthritis, not elsewhere classified Non-Billable/Non-Specific Codes M13.10Monoarthritis, not elsewhere classified, unspecified siteM13.11Monoarthritis, not elsewhere classified, shoulderM13.111Monoarthritis, not elsewhere classified, right shoulderM13.112Monoarthritis, not elsewhere classified, left shoulderM13.119Monoarthritis, not elsewhere classified, unspecified shoulderM13.12Monoarthritis, not elsewhere classified, elbowM13.121Monoarthritis, not elsewhere classified, right elbowM13.122Monoarthritis, not elsewhere classified, left elbowM13.129Monoarthritis, not elsewhere classified, unspecified elbowM13.13Monoarthritis, not elsewhere classified, wristM13.131Monoarthritis, not elsewhere classified, right wristM13.132Monoarthritis, not elsewhere classified, left wristM13.139Monoarthritis, not elsewhere classified, unspecified wristM13.14Monoarthritis, not elsewhere classified, handM13.141Monoarthritis, not elsewhere classified, right handM13.142Monoarthritis, not elsewhere classified, left handM13.149Monoarthritis, not elsewhere classified, unspecified handM13.15Monoarthritis, not elsewhere classified, hipM13.151Monoarthritis, not elsewhere classified, right hipM13.152Monoarthritis, not elsewhere classified, left hipM13.159Monoarthritis, not elsewhere classified, unspecified hipM13.16Monoarthritis, not elsewhere classified, kneeM13.161Monoarthritis, not elsewhere classified, right kneeM13.162Monoarthritis, not elsewhere classified, left kneeM13.169Monoarthritis, not elsewhere classified, unspecified kneeM13.17Monoarthritis, not elsewhere classified, ankle and footM13.171Monoarthritis, not elsewhere classified, right ankle and footM13.172Monoarthritis, not elsewhere classified, left ankle and footM13.179Monoarthritis, not elsewhere classified, unspecified ankle and foot