2012 ACR/EULAR Classification Criteria — Polymyalgia Rheumatica is a classification tool commonly applied in Rheumatology. Mandatory age, shoulder presentation, and laboratory features; clinical points without ultrasound or ultrasound-positive pathway. Use the interactive calculator for inputs, limitations, and primary references.

Not a substitute for clinical judgment. Verify critical values with primary literature, local protocols, and specialist input when appropriate.