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Pulmonary Embolism Risk Score Interpretation

Score > 6:High probability
Score >= 2 and <= 6:Moderate probability
Score < 2:Low Probability


Cut point of 4 points or less is considered as PE unlikely as long as the specific D-Dimer test is negative.


  1. Wells PS, Anderson DR, Rodger M, et. al. Derivation of a simple clinical model to categorize patients probability of pulmonary embolism: increasing the models utility with the SimpliRED D-dimer. Thromb Haemost. 2000 Mar;83(3):416-20.
  2. Geersing GJ, Erkens PM, Lucassen WA, et al. Safe exclusion of pulmonary embolism using the Wells rule and qualitative D-dimer testing in primary care: prospective cohort study. BMJ. 2012;345
  3. Guo DJ, Zhao C, Zou YD, Huang XH, Hu JM, Guo L. Values of the Wells and revised Geneva scores combined with D-dimer in diagnosing elderly pulmonary embolism patients. Chin Med J (Engl). 2015;128(8):1052-7.

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