ICD-10-CM > M00-M99 > M05-M14 > M13 > M13.1 > M13.13 M13.13 Monoarthritis, not elsewhere classified, wrist Non-Billable/Non-Specific Codes M13.131Monoarthritis, not elsewhere classified, right wristM13.132Monoarthritis, not elsewhere classified, left wristM13.139Monoarthritis, not elsewhere classified, unspecified wrist