Abbreviated Burn Severity Index (ABSI) Calculator

Stratifies burn severity using age, sex, TBSA, inhalation injury and full-thickness burn. Includes interpretation, limitations and references.

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Abbreviated Burn Severity Index (ABSI)
Clinical Decision Tool

Stratifies burn severity using age, sex, TBSA, inhalation injury and full-thickness burn.

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

Abbreviated Burn Severity Index (ABSI): Clinical Guide

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Stratifies burn severity using age, sex, TBSA, inhalation injury and full-thickness burn.

Overview

Stratifies burn severity using age, sex, TBSA, inhalation injury and full-thickness burn.

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. Tobiasen J et al. Ann Emerg Med. 1982;11:260-262. — 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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