Pediatrics · Orthopedics · Emergency Medicine

Kocher Criteria for Septic Arthritis calculator

Enter the published formula inputs below to calculate and interpret this score.

Clinical inputs

fevernon weight bearingesr ge 40wbc gt 12

Result

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Formula inputs

fever
non weight bearing
esr ge 40
wbc gt 12

Primary source

Kocher MS et al. Differentiating between septic arthritis and transient synovitis of the hip in children: an evidence-based clinical prediction algorithm. J Bone Joint Surg Am. DOI: 10.2106/00004623-200404000-00008. PMID: 15069139. Scope: Kocher score (0–4) counts non–weight-bearing, fever, ESR ≥40 mm/h, and WBC >12×10⁹/L for pediatric hip septic arthritis risk stratification. (2004)

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