-- Seropositive M05.9

--- Specified NEC M05.80

---- Ankle M05.87-

---- Elbow M05.82-

---- Foot Joint M05.87-

---- Hand Joint M05.84-

---- Hip M05.85-

---- Knee M05.86-

---- Multiple Sites M05.89

---- Shoulder M05.81-

---- Specified Site NEC M05.8A

---- Vertebra - see Spondylitis, ankylosing

---- Wrist M05.83-

--- Without Organ Involvement M05.70

---- Ankle M05.77-

---- Elbow M05.72-

---- Foot Joint M05.77-

---- Hand Joint M05.74-

---- Hip M05.75-

---- Knee M05.76-

---- Multiple Sites M05.79

---- Shoulder M05.71-

---- Specified Site NEC M05.7A

---- Vertebra - see Spondylitis, ankylosing

---- Wrist M05.73-