2015 ACR/EULAR Classification Criteria for Gout

Entry criterion plus domain points; score ≥8 or MSU sufficient criterion → classified gout.

Entry (≥1 required)

At least one: MSU crystals, gouty tophus, or typical inflammatory episode.

Episode with MSU crystals in symptomatic joint/bursa Gouty tophus Typical inflammatory mono-/oligoarthritis episode

Sufficient criterion: MSU crystals in symptomatic joint/bursa (classifies gout without scoring)

Classification domains (if sufficient criterion not met)

Pattern of joint/bursa involvement

Episode characteristics (0–3)

Time-course of episodes

Tophus evidence

Serum urate

Synovial fluid analysis

Imaging: urate deposition

Imaging: gout-related damage

Educational tool only—not for diagnosis or treatment decisions.

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