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ABSI (Burn Severity)

ABSI: Validated prognostic score to predict survival in burn patients.

Patient Age20

% TBSA Burned0%

Calculate Risk

Enter patient age, burn area, and inhalation status to estimate mortality probability.

Guidelines & Evidence

Verified

Last Review: 2026

When to Use

Use ABSI in the initial triage of burn-injured patients to rapidly stratify mortality risk and guide decisions around burn center transfer, goals-of-care discussions, and resource allocation. It applies to patients of all ages with thermal injury requiring hospital-level evaluation.

Appropriate Patients

Adults and children with acute thermal (flame, scald, contact) burns

Burns requiring formal triage in ED or burn unit

Patients where inhalation injury status can be clinically assessed

Goals-of-care or family counseling in massive burns

When NOT to Use

Chemical or electrical burns (different pathophysiology; separate scoring)

Pediatric burns < 2 years (ABSI derivation cohort under-represents this group)

As a sole determinant of palliation — always supplement with clinical judgment

In isolation from burn surface area assessment (requires TBSA)

Related Scores in Practice

In clinical practice, this assessment is frequently evaluated alongside other validated measures. Depending on the patient's presentation and specific diagnostic requirements, you may also need to utilize the Revised Baux Score, Lund-Browder Chart, Parkland Formula or the SCORTEN to formulate a comprehensive care plan.

Last Comprehensive Review: 2026