ICD-10 Code M06.01 – Rheumatoid arthritis without rheumatoid factor, shoulder (2026): Diagnosis, Symptoms & Billing Guide
2026 ICD-10-CM Diagnosis Code M06.01 – Rheumatoid arthritis without rheumatoid factor, shoulder
What it is
This code identifies rheumatoid arthritis affecting the shoulder when rheumatoid factor is not present. It captures a specific joint site and a seronegative rheumatoid arthritis diagnosis.
Clinical signs
Typical findings include shoulder pain, stiffness, swelling, and reduced range of motion. Clinical features vary; refer to documentation for evidence of inflammatory arthritis and the involved shoulder.
When to use this code
Use M06.01 when the record documents rheumatoid arthritis without rheumatoid factor and specifically names the shoulder as the affected joint. Apply it when the diagnosis is established and laterality is not required by the code description. Check documentation if the note only says rheumatoid arthritis or joint pain.
Do not use for
Do not use this code for rheumatoid arthritis with rheumatoid factor, unspecified arthritis, or non-rheumatoid shoulder pain. Check documentation if the chart does not clearly state seronegative rheumatoid arthritis of the shoulder.
Coding tip
Match both the seronegative status and the shoulder site in the provider’s wording before assigning M06.01.