M01.XDirect infection of joint in infectious and parasitic diseases classified elsewhere

M01.X is the ICD-10-CM diagnosis code for direct infection of joint in infectious and parasitic diseases classified elsewhere. It belongs to category M01 (direct infections of joint in infectious and parasitic diseases classified elsewhere), block M00-M02 (infectious arthropathies) and chapter 13 (diseases of the musculoskeletal system and connective tissue). It is a header code, so it can't be reported by itself; one of its 10 subcodes must be used instead.

To report this condition, pick the subcode that matches the documentation: M01.X0 (elsewhere), M01.X1 (elsewhere), M01.X2 (elsewhere), M01.X3 (elsewhere), M01.X4 (elsewhere), M01.X5 (elsewhere), M01.X6 (elsewhere), M01.X7 (elsewhere) and 2 more.

Code first underlying disease, such as: leprosy [Hansen's disease] (A30.-), mycoses (B35-B49), O'nyong-nyong fever (A92.1) and paratyphoid fever (A01.1-A01.4).

It has been part of ICD-10-CM since the code set took effect on October 1, 2015 and hasn't changed since.