18th January 2024

The 2010 American College of Rheumatology (ACR)/ European League Against Rheumatism (EULAR) Classification Criteria requires the following criteria to be met in order to be classified as having a definite diagnosis of RA:

The 2010 American College of Rheumatology (ACR)/ European League Against Rheumatism (EULAR) Classification Criteria requires the following criteria to be met in order to be classified as having a definite diagnosis of RA:

• Presence of synovitis in at least 1 joint 
• Absence of an alternative diagnosis which better explains the synovitis 
• Total score of at least 6 (out of a maximum of 10) from the individual scores in the 4 domains.

Which of the following is not included as one of the four domains in the above criteria?

Select the SINGLE most appropriate option from the list below. Select ONE option only.