New Orleans Head CT Criteria Calculator

Identifies adults with minor head injury who require CT assessment under the New Orleans criteria. Includes interpretation, limitations and references.

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New Orleans Head CT Criteria
Clinical Decision Tool

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

Select the verified finding.
Select the verified finding.
Select the verified finding.
Select the verified finding.
Select the verified finding.
Select the verified finding.
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Clinical Decision Support Only

MediCalc calculators are intended to support qualified healthcare professionals and must not replace professional clinical judgement. Do not enter patient-identifiable information into Saved Progress.

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MedicalC Knowledge Hub

New Orleans Head CT Criteria: Clinical Guide

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

Clinical Disclaimer

MedicalC calculators and clinical tools are intended to support healthcare professionals. They do not replace clinical judgement, individual patient assessment, local guidance or specialist advice.

Results should always be interpreted in the context of the patient’s history, examination, investigations, current clinical condition and applicable professional guidance.

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