2015 ACR/EULAR gout classification criteria
Rheumatology
Also known as: ACR/EULAR-Klassifikationskriterien 2015 für Gicht · 2015 ACR/EULAR gut sınıflama kriterleri · ACR/EULAR 2015 gout classification criteria
What it is for
Classification criteria of the American College of Rheumatology (ACR) and the European League Against Rheumatism (EULAR) for gout, applied in three steps; a weighted score of ≥8 (maximum 23) classifies gout.
Classification
| Category | Description |
|---|---|
| Step 1 – entry | at least one episode of swelling, pain or tenderness in a peripheral joint or bursa. |
| Step 2 – sufficient criterion | monosodium urate (MSU) crystals in a symptomatic joint or bursa, or a tophus: classified as gout without scoring. |
| Step 3 – clinical | joints ever involved: ankle or midfoot (without the first metatarsophalangeal joint) 1, first metatarsophalangeal joint 2; episode features (overlying erythema, cannot bear touch or pressure, great difficulty walking or using the joint): one 1, two 2, three 3; typical time course (≥2 of: maximal pain within 24 h, resolution within 14 days, complete resolution between episodes): one typical episode 1, recurrent typical episodes 2; clinical tophus 4. |
| Step 3 – laboratory | serum urate (uricase method, highest value): <4 mg/dl (<0.24 mmol/l) −4; 4 to <6 mg/dl 0; 6 to <8 mg/dl 2; 8 to <10 mg/dl 3; ≥10 mg/dl (≥0.60 mmol/l) 4. Synovial fluid of a symptomatic joint negative for MSU: −2. |
| Step 3 – imaging | urate deposition on ultrasound (double-contour sign) or dual-energy computed tomography (DECT): 4; at least one gout-related erosion on radiographs of hands or feet: 4. |
| Interpretation | ≥8 points: classified as gout. Imaging items not performed are scored 0. |
Source
2015 Gout classification criteria: an American College of Rheumatology/European League Against Rheumatism collaborative initiative
ACR/EULAR · Ann Rheum Dis 2015;74:1789–1798 (Neogi T et al.); also Arthritis Rheumatol 2015;67:2557–2568
DOI: 10.1136/annrheumdis-2015-208237
PMID: 26359487
- Edition
- ACR/EULAR 2015 (current)
- Checked on
Summary of the published classification in our own words. Not a substitute for the original publication.
A question about this classification?
Medelix answers clinical questions from guidelines and studies – every statement with its source.