Alvarado's Score for Appendicitis

Migration of pain to right lower quadrant

	Yes 1 points
	No 0 points

  Anorexia, or acetone in urine

	Yes 1 points
	No 0 points

  Nausea-vomiting

	Yes 1 points
	No 0 points

  Right lower quadrant tenderness

	Yes 2 points
	No 0 points

  Rebound pain

	Yes 1 points
	No 0 points

  Fever

	Yes 1 points
	No 0 points

  White blood cell count over 10K?

	Yes 2 points
	No 0 points

  Left shift (over 75% neutrophils)?

	Yes 1 points
	No 0 points

<5     Appendicitis less likely

 5-6  Possible appendicitis

 7-8  Probably appendicitis

 >8   Very probably appendicitis