Physical examination maneuver

Physical Exam

Costovertebral Angle Percussion

also known as Murphy's punch sign; Pasternatsky sign; Goldflam sign
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How to Perform

With the patient seated, place the palm of one hand flat over the costovertebral angle (between the 12th rib and the spine) and strike the back of that hand a single firm blow with the ulnar surface of the other fist. A positive test is sharp pain (tenderness) over the angle.

How to Interpret

Showing 2 of 5 findings

Cystitis

Costovertebral angle tenderness positive
Rule in
Minimally helpful
Rule out
Evidence:Strong

Nephrolithiasis

Costovertebral angle tenderness
Rule in
Rule out
Minimally helpful
Evidence:Limited

References

  • Higuchi H, Harada T, Hiroshige J. Evaluation of the usefulness of costovertebral angle tenderness in patients with suspected ureteral stone. J Gen Fam Med. 2023;24(1):56-58. doi:10.1002/jgf2.581. PMID 36605912. PMC9808142. Open access.
  • Bent S, Nallamothu BK, Simel DL, Fihn SD, Saint S. Does This Woman Have an Acute Uncomplicated Urinary Tract Infection? JAMA. 2002;287(20):2701-2710. PMID 12020306.
  • McGee S. Evidence-Based Physical Diagnosis. 6th ed. Philadelphia, PA: Elsevier; 2025.