M02

M02: Postinfective and reactive arthropathies

Non-billable headerICD-10-CM

M02 is a non-billable header ICD-10-CM code for postinfective and reactive arthropathies. It cannot be billed on its own: choose one of the more specific child codes below.

Excludes1: never code together

These conditions cannot occur together. Billing both on the same encounter is a denial.

Behçet's disease (M35.2)
direct infections of joint in infectious and parasitic diseases classified elsewhere (M01.-)
postmeningococcal arthritis (A39.84)
mumps arthritis (B26.85)
rubella arthritis (B06.82)
syphilis arthritis (late) (A52.77)
rheumatic fever (I00)
tabetic arthropathy [Charcôt's] (A52.16)

Code first

The underlying condition must be sequenced before this code.

underlying disease, such as:
congenital syphilis [Clutton's joints] (A50.5)
enteritis due to Yersinia enterocolitica (A04.6)
infective endocarditis (I33.0)
viral hepatitis (B15-B19)

Other codes that can never be billed with M02

Their own Excludes1 notes name this code, so the conflict is not listed above.

M45Ankylosing spondylitis
M01Direct infections of joint in infectious and parasitic diseases classified elsewhere
A74Other diseases caused by chlamydiae

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Code history

Unchanged in every release from FY2024 to FY2027.

Code to one of these instead M02

6 child codes. Green means billable.