All calculators

Emergency Medicine · Trauma Surgery

Injury Severity Score (ISS) calculator

Enter the published formula inputs below to calculate and interpret this score.

Clinical inputs

Result

Complete all required inputs to calculate the score.

Formula inputs

  • Iss Head Neck (AIS)Accepted range: 0 to 6
  • Iss Face (AIS)Accepted range: 0 to 6
  • Iss Chest (AIS)Accepted range: 0 to 6
  • Iss Abdomen (AIS)Accepted range: 0 to 6
  • Iss Extremity (AIS)Accepted range: 0 to 6
  • Iss External (AIS)Accepted range: 0 to 6

Primary source

Baker SP et al. The injury severity score: a method for describing patients with multiple injuries and evaluating emergency care. J Trauma. DOI: 10.1097/00005373-197403000-00003. PMID: 4814394. Scope: ISS equals the sum of squares of the three highest AIS region scores (0–6) among six body regions. (1974)

View source