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Scores & Severity

Pediatric Appendicitis Score (PAS)

Eight-item score (0–10) estimating the likelihood of acute appendicitis in children.

Written for clinicians. If you're a parent or patient, don't act on these numbers — talk to your child's doctor.

Inputs

FieldUnitNotes
RLQ tenderness with cough/percussion/hopping
Tenderness right iliac fossa
Anorexia
Fever >38°C
Nausea/vomiting
Leukocytosis (WBC >10,000)
Neutrophilia (PMN >7,500)
Migration of pain to RLQ

FAQ

What is the Pediatric Appendicitis Score (PAS)?

Eight-item score (0–10) estimating the likelihood of acute appendicitis in children.

What inputs does the Pediatric Appendicitis Score (PAS) need?

RLQ tenderness with cough/percussion/hopping, Tenderness right iliac fossa, Anorexia, Fever >38°C, Nausea/vomiting, Leukocytosis (WBC >10,000), Neutrophilia (PMN >7,500), Migration of pain to RLQ.

Related guides

Pediatric Appendicitis Score (PAS): Risk-Stratifying the Child with RLQ Pain

The Pediatric Appendicitis Score (Samuel) — its eight history, exam and lab items, the 0–10 scale, and the low / intermediate / high-risk bands that triage discharge vs imaging vs surgery.

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