M05.0
Header — not billable
Felty's syndrome
Felty's syndrome
M05.0 is a header (parent) code in the ICD-10-CM hierarchy. It is not billable for claim submission. Use one of the billable child codes listed below.
Billable codes in this category
Each of the codes below is billable. Choose the one that most accurately describes the patient's diagnosis.
M05.00
Felty's syndrome, unspecified site
M05.09 Felty's syndrome coded at the unspecified-site level — rheumatoid arthritis with positive rheumatoid factor, splenomegaly, and granulocytopenia/neutropenia, where the affected joint site is not documented.
Felty's syndrome, multiple sites
Felty's syndrome affecting multiple joint sites simultaneously — the triad of seropositive rheumatoid arthritis, splenomegaly, and granulocytopenia documented across more than one anatomical region.
Inclusion & exclusion notes
Includes
- Rheumatoid arthritis with splenoadenomegaly and leukopenia