Injury Severity Score Calculator
Calculate Injury Severity Score (ISS) and New ISS (NISS) for trauma patients using Abbreviated Injury Scale (AIS) scores.
AIS Scores by Body Region
Injury Severity Score
0
No Injury
Mortality Risk: < 1%
ISS
0
/75
NISS
0
/75
TRISS Ps
100.0%
survival
ISS Calculation
Top 3 scores: 0, 0, 0
ISS = 0² + 0² + 0² = 0
Interpretation
No significant injuries identified.
ISS Severity Categories
1-8: Minor
9-15: Moderate
16-24: Serious (major trauma >15)
25-40: Severe
41-75: Critical
Disclaimer: The ISS requires proper AIS coding by trained personnel. Mortality estimates are population-based and individual outcomes may vary. Always use clinical judgment in trauma management decisions.