Clinical use
Use this calculator for trauma severity scoring using abbreviated injury scale in theemergency medicine workflow. It is decision support and should be interpreted with the patient context, local protocols, and clinician judgment.
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Emergency Medicine
Injury Severity Score (ISS) Calculator
Trauma severity scoring using Abbreviated Injury Scale
Calculate ISS
Interpretation
Score 1-8: minor. 9-15: moderate. 16-24: severe. ≥25: critical. >15 = major trauma centre criteria. Based on 3 worst body region AIS scores squared.
Required inputs
- Head
- Face
- Chest
- Abdomen
- Extremity
- External
Evidence and limitations
This page cites 1 published reference. Confirm units and inclusion criteria before applying the output; calculators do not replace assessment, escalation, or local policy.
References
- Baker SP et al. J Trauma 1974;14:187-196
Frequently asked questions
What is the Injury Severity Score (ISS)?
Injury Severity Score (ISS) is a clinical calculator used for Trauma severity scoring using Abbreviated Injury Scale.
How do I interpret the Injury Severity Score (ISS)?
Score 1-8: minor. 9-15: moderate. 16-24: severe. ≥25: critical. >15 = major trauma centre criteria. Based on 3 worst body region AIS scores squared.
What inputs are required for the Injury Severity Score (ISS)?
Required inputs include Head, Face, Chest, Abdomen, Extremity, External.
What is the evidence behind the Injury Severity Score (ISS)?
The Injury Severity Score (ISS) page cites Baker SP et al. J Trauma 1974;14:187-196.
Next steps
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