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