ICD-10-CM > M00-M99 > M05-M14 > M14 > M14.8 > M14.86 M14.86 Arthropathies in other specified diseases classified elsewhere, knee Non-Billable/Non-Specific Codes M14.861Arthropathies in other specified diseases classified elsewhere, right kneeM14.862Arthropathies in other specified diseases classified elsewhere, left kneeM14.869Arthropathies in other specified diseases classified elsewhere, unspecified knee