M05.0

M05.0: Felty's syndrome

Non-billable headerICD-10-CM

M05.0 is a non-billable header ICD-10-CM code for felty's syndrome. It cannot be billed on its own: choose one of the more specific child codes below.

Inclusion terms

Alternative wordings a physician may use in the chart for this same code.

Rheumatoid arthritis with splenoadenomegaly and leukopenia

Excludes1 inherited from the categories above M05.0

A category’s note binds every code beneath it.

Written on M05: Rheumatoid arthritis with rheumatoid factor

rheumatic fever (I00)
juvenile rheumatoid arthritis (M08.-)
rheumatoid arthritis of spine (M45.-)

Other codes that can never be billed with M05.0

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

M08Juvenile arthritis
R76.81Abnormal rheumatoid factor and anti-citrullinated protein antibody without rheumatoid arthritis

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 M05.0

9 child codes. Green means billable.