M05 Seropositive rheumatoid arthritis

M06 Other rheumatiod arthritis

M07 Psoriatic and enteropathic arthropathies

M08 Juvenile arthritis

M09 Juvenile arthritis in diseases classified elsewhere

M10 Gout

M11 Other crystal arthropathies

M12 Other specific arthropathies

M13 Other arthritis

M14 Arthropathies in other diseases classified elsewhere