ICD-10 Code M05.072 – Felty’s syndrome, left ankle and foot (2026): Diagnosis, Symptoms & Billing Guide
2026 ICD-10-CM Diagnosis Code M05.072 – Felty’s syndrome, left ankle and foot
What it is
M05.072 identifies Felty’s syndrome affecting the left ankle and foot. It indicates rheumatoid arthritis-associated disease with involvement documented in that specific site.
Clinical signs
Clinical features vary; refer to documentation. You may see chronic inflammatory joint findings in the left ankle or foot, with rheumatoid arthritis and possible systemic features consistent with Felty’s syndrome.
When to use this code
Use this code when the record clearly documents Felty’s syndrome with left ankle and foot involvement. It is appropriate when the provider links the syndrome to that side and location in the assessment or diagnosis.
Code it from specialist notes, problem lists, or discharge summaries when laterality is explicit. If the chart only says rheumatoid arthritis or Felty’s syndrome without site detail, Check documentation.
Do not use for
Do not use this code for generic rheumatoid arthritis, unspecified Felty’s syndrome, or symptoms without a confirmed diagnosis. Do not assign it when the affected side or joint is not documented.
Coding tip
Verify both the syndrome and the left ankle/foot laterality before assigning M05.072.