ICD-10-CM > M00-M99 > M05-M14 > M13 M13 Other arthritis Non-Billable/Non-Specific Type 1 Excludes arthrosis (M15-M19)osteoarthritis (M15-M19) Codes M13.0Polyarthritis, unspecifiedM13.1Monoarthritis, not elsewhere classifiedM13.10Monoarthritis, 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 footM13.8Other specified arthritisM13.80Other specified arthritis, unspecified siteM13.81Other specified arthritis, shoulderM13.811Other specified arthritis, right shoulderM13.812Other specified arthritis, left shoulderM13.819Other specified arthritis, unspecified shoulderM13.82Other specified arthritis, elbowM13.821Other specified arthritis, right elbowM13.822Other specified arthritis, left elbowM13.829Other specified arthritis, unspecified elbowM13.83Other specified arthritis, wristM13.831Other specified arthritis, right wristM13.832Other specified arthritis, left wristM13.839Other specified arthritis, unspecified wristM13.84Other specified arthritis, handM13.841Other specified arthritis, right handM13.842Other specified arthritis, left handM13.849Other specified arthritis, unspecified handM13.85Other specified arthritis, hipM13.851Other specified arthritis, right hipM13.852Other specified arthritis, left hipM13.859Other specified arthritis, unspecified hipM13.86Other specified arthritis, kneeM13.861Other specified arthritis, right kneeM13.862Other specified arthritis, left kneeM13.869Other specified arthritis, unspecified kneeM13.87Other specified arthritis, ankle and footM13.871Other specified arthritis, right ankle and footM13.872Other specified arthritis, left ankle and footM13.879Other specified arthritis, unspecified ankle and footM13.88Other specified arthritis, other siteM13.89Other specified arthritis, multiple sites