M01
Excludes1: arthropathy in Lyme disease (A69.23)
gonococcal arthritis (A54.42)
meningococcal arthritis (A39.83)
mumps arthritis (B26.85)
postinfective arthropathy (M02.-)
postmeningococcal arthritis (A39.84)
reactive arthritis (M02.3)
rubella arthritis (B06.82)
sarcoidosis arthritis (D86.86)
typhoid fever arthritis (A01.04)
tuberculosis arthritis (A18.01-A18.02)
Code first underlying disease, such as:
leprosy [Hansen's disease] (A30.-)
mycoses (B35-B49)
O'nyong-nyong fever (A92.1)
paratyphoid fever (A01.1-A01.4)