Right Lower Quadrant Tenderness with Cough, Percussion, or Hopping

Absent+0Present (pain with cough, percussion, or hopping)+2

Anorexia

Absent+0Present+1

Fever (Temperature > 38°C / 100.4°F)

Absent (temperature ≤ 38°C)+0Present (temperature > 38°C)+1

Nausea or Vomiting

Absent+0Present+1

Tenderness over the Right Iliac Fossa (RLQ Palpation)

Absent+0Present (tenderness on direct palpation over McBurney's point)+1

Leukocytosis (WBC > 10,000/µL)

Absent (WBC ≤ 10,000)+0Present (WBC > 10,000/µL)+1

Polymorphonuclear Predominance (PMN > 7,500/µL — Left Shift)

Absent (PMN ≤ 7,500/µL)+0Present (PMN > 7,500/µL)+1

Migration of Pain to the Right Lower Quadrant

Absent or no migration+0Present (history of pain migration to RLQ)+1

Pediatric Appendicitis Score (PAS)