New Orleans Head CT Criteria: Clinical Guide

Clinical guide to New Orleans Head CT Criteria, including calculation, interpretation and limitations.

Identifies adults with minor head injury who require CT assessment under the New Orleans criteria.

Overview

Identifies adults with minor head injury who require CT assessment under the New Orleans criteria.

Clinical Significance

Use as structured decision support in the validated population.

When to Use

  • Use only when the published eligibility criteria are met.

How It Is Calculated

  • MedicalC applies the published criteria and interpretation bands.

Interpretation

  • Interpret alongside examination, investigations and current guidance.

Worked Example

Enter verified values for every field; MedicalC applies the published method.

Limitations

  • Performance depends on correct eligibility and measurement.

Clinical Pearls

  • Record individual inputs as well as the total result.

Common Mistakes

  • Using the instrument outside its validated population.

Frequently Asked Questions

Can this result be used alone?

No. Integrate it with a complete clinical assessment.

References

  1. Haydel MJ et al. N Engl J Med. 2000;343:100-105. — Primary or supporting reference.

Reviewed by: MedicalC Clinical Editorial Team
Last reviewed: July 2026

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